/* ==========================================================================
   聚存灵盘 宣发网站 样式
   设计对标 pantools.cn：蓝色主色、卡片化、圆角、柔和阴影
   ========================================================================== */

/* ---------- 主题变量 ---------- */
:root {
  /* 主色（对标 pantools 蓝） */
  --color-primary: #3d7df2;
  --color-primary-dark: #2f6ae0;
  --color-primary-deep: #1f52b8;
  --color-primary-light: #eaf1fe;

  /* 功能色 */
  --color-success: #168f63;
  --color-success-light: #e5f6ef;
  --color-warning: #e8910b;
  --color-danger: #cf4a4a;
  --color-vip: #f5b942;

  /* 中性色 */
  --color-text: #2c3744;
  --color-text-secondary: #566476;
  --color-text-muted: #8b98a8;
  --color-border: #e2e8f0;
  --color-bg: #f5f7fa;
  --color-bg-plain: #ffffff;
  --color-bg-deep: #1a202b;
  --color-bg-deep-2: #232c3c;

  /* 布局 */
  --container-max: 1180px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 3px rgba(20, 25, 32, 0.08);
  --shadow-md: 0 6px 20px rgba(20, 25, 32, 0.08);
  --shadow-lg: 0 16px 40px rgba(31, 82, 184, 0.14);

  /* 字体 */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;

  /* 过渡 */
  --ease: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset 与基础 ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 76px; /* 锚点跳转避开吸顶导航 */
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--ease);
}

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 860px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-direction: column;
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all var(--ease);
  white-space: nowrap;
  line-height: 1.4;
}

.btn-lg {
  padding: 13px 30px;
  font-size: 16px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  box-shadow: 0 6px 16px rgba(61, 125, 242, 0.32);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(61, 125, 242, 0.42);
  color: #fff;
}

.btn-ghost {
  background: #fff;
  color: var(--color-primary);
  border-color: var(--color-border);
}

.btn-ghost:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  transform: translateY(-2px);
}

.btn-hot {
  background: linear-gradient(135deg, var(--color-warning), #f59e0b);
  color: #fff;
  box-shadow: 0 6px 16px rgba(232, 145, 11, 0.35);
}

.btn-hot:hover {
  transform: translateY(-2px);
  color: #fff;
}

.btn-vip {
  background: linear-gradient(135deg, var(--color-vip), #d97706);
  color: #2c3744;
  box-shadow: 0 6px 16px rgba(245, 185, 66, 0.4);
}

.btn-vip:hover {
  transform: translateY(-2px);
  color: #2c3744;
}

.btn-block {
  width: 100%;
}

.btn-sub {
  display: block;
  font-size: 12px;
  font-weight: 400;
  opacity: 0.85;
}

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
  transition: box-shadow var(--ease);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
}

.nav-brand-text {
  font-size: 19px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.5px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  display: block;
  padding: 8px 14px;
  color: var(--color-text-secondary);
  font-size: 15px;
  border-radius: var(--radius-pill);
  transition: all var(--ease);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.nav-link-btn {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  padding: 9px 22px;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(61, 125, 242, 0.3);
}

.nav-link-btn:hover {
  color: #fff;
  transform: translateY(-1px);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

/* 移动端菜单按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: transparent;
  border: none;
  border-radius: 8px;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--ease);
}

.nav-toggle.open .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Section 通用 ---------- */
.section {
  padding: 88px 0;
}

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

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

.section-tag {
  display: inline-block;
  padding: 5px 16px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 14px;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.35;
  letter-spacing: 0.4px;
}

.section-sub {
  margin-top: 12px;
  color: var(--color-text-secondary);
  font-size: 16px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 150px 0 90px;
  background:
    radial-gradient(1100px 480px at 85% -10%, rgba(61, 125, 242, 0.22), transparent 60%),
    radial-gradient(900px 420px at -10% 20%, rgba(139, 92, 246, 0.14), transparent 55%),
    linear-gradient(180deg, #f3f7ff 0%, var(--color-bg) 100%);
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  margin-right: 8px;
  box-shadow: 0 0 0 3px rgba(61, 125, 242, 0.16);
}

.hero-title {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 1px;
  color: var(--color-text);
}

.hero-subtitle {
  display: block;
  margin-top: 10px;
  font-size: 28px;
  font-weight: 600;
  color: var(--color-primary);
}

.hero-desc {
  margin-top: 22px;
  color: var(--color-text-secondary);
  font-size: 16.5px;
  max-width: 520px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 30px;
  padding: 20px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hero-stat strong {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-primary-dark);
}

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

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 34px;
}

.hero-visual {
  position: relative;
}

.hero-shot {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(226, 232, 240, 0.9);
}

/* ---------- 支持平台 ---------- */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.platform-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 24px;
  background: var(--color-bg-plain);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--ease);
  cursor: default;
}

.platform-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.platform-icon {
  font-size: 30px;
  line-height: 1;
}

.platform-card span:last-child {
  font-weight: 600;
  font-size: 15.5px;
}

/* ---------- 软件介绍 ---------- */
.intro-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.intro-card {
  background: var(--color-bg-plain);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 34px 30px;
  transition: all var(--ease);
}

.intro-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.intro-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  color: var(--color-primary);
  margin-bottom: 20px;
}

.intro-icon svg {
  width: 26px;
  height: 26px;
}

/* 介绍卡片图标按列点缀配色（与核心功能同规律） */
.intro-card:nth-child(2) .intro-icon {
  background: #f0e8fd;
  color: #8b4cf0;
}

.intro-card:nth-child(3) .intro-icon {
  background: #e7f6ef;
  color: #168f63;
}

.intro-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 12px;
}

.intro-card p {
  color: var(--color-text-secondary);
}

/* ---------- 核心功能 ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--color-bg-plain);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 26px 24px;
  transition: all var(--ease);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.feature-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-primary-light);
  color: var(--color-primary);
  margin-bottom: 16px;
}

.feature-icon svg {
  width: 22px;
  height: 22px;
}

/* 核心功能图标按列点缀配色（主调仍为品牌蓝） */
.feature-card:nth-child(3n+2) .feature-icon {
  background: #f0e8fd;
  color: #8b4cf0;
}

.feature-card:nth-child(3n+3) .feature-icon {
  background: #e7f6ef;
  color: #168f63;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: 14px;
}

/* ---------- 软件声明 ---------- */
.declare-box {
  background: linear-gradient(135deg, #fdf6e7, #fefaf0);
  border: 1px solid #f0dfbe;
  border-radius: var(--radius-lg);
  padding: 36px 40px;
}

.declare-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
}

.declare-sub {
  color: var(--color-text-secondary);
  font-size: 14px;
  margin-bottom: 18px;
}

.declare-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.declare-list li {
  position: relative;
  padding-left: 20px;
  color: var(--color-text-secondary);
  font-size: 14px;
}

.declare-list li::before {
  content: "⚠";
  position: absolute;
  left: 0;
  top: 0;
  font-size: 13px;
  opacity: 0.8;
}

/* ---------- 会员板块 ---------- */
.section-member {
  background:
    radial-gradient(1000px 500px at 50% -20%, rgba(61, 125, 242, 0.14), transparent 60%),
    var(--color-bg);
}

.member-plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.member-card {
  position: relative;
  background: var(--color-bg-plain);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 34px 30px;
  display: flex;
  flex-direction: column;
  transition: all var(--ease);
}

.member-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.member-card-hot {
  border: 2px solid var(--color-primary);
  box-shadow: 0 12px 32px rgba(61, 125, 242, 0.16);
}

.member-card-vip {
  border: 2px solid var(--color-vip);
  box-shadow: 0 12px 32px rgba(245, 185, 66, 0.18);
}

.member-tag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 18px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
}

.member-card-hot .member-tag {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
}

.member-card-vip .member-tag {
  background: linear-gradient(135deg, var(--color-vip), #d97706);
  color: #2c3744;
}

.member-plan-name {
  font-size: 20px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
}

.member-plan-price {
  text-align: center;
  font-size: 38px;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.1;
  margin-bottom: 6px;
}

.member-plan-price .currency {
  font-size: 20px;
  vertical-align: 12px;
  color: var(--color-primary-dark);
}

.member-card-vip .member-plan-price .currency {
  color: var(--color-warning);
}

.member-plan-price .period {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text-muted);
  margin-left: 4px;
}

.member-plan-periods {
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 4px;
  letter-spacing: 0.5px;
}

.member-card-vip .member-plan-periods {
  color: var(--color-warning);
}

.member-plan-desc {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 13px;
  margin-bottom: 24px;
}

.member-plan-list {
  display: flex;
  flex-direction: column;
  gap: 11px;
  margin-bottom: 28px;
  flex: 1;
}

.member-plan-list li {
  position: relative;
  padding-left: 26px;
  font-size: 14.5px;
  color: var(--color-text-secondary);
}

.member-plan-list li.ok::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: var(--color-success-light);
}

.member-plan-list li.ok::after {
  content: "✓";
  position: absolute;
  left: 0;
  top: 3px;
  width: 17px;
  height: 17px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-success);
  font-size: 11px;
  font-weight: 700;
}

.member-note {
  max-width: 940px;
  margin: 26px auto 0;
  padding: 13px 22px;
  background: var(--color-primary-light);
  border: 1px solid rgba(61, 125, 242, 0.18);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: 13px;
  line-height: 1.8;
  text-align: left;
}

.compare-title {
  text-align: center;
  font-size: 22px;
  font-weight: 700;
  margin: 64px 0 24px;
}

.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-plain);
  box-shadow: var(--shadow-sm);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.compare-table th,
.compare-table td {
  padding: 14px 18px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  font-size: 14.5px;
}

.compare-table thead th {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-weight: 700;
  font-size: 15px;
}

/* 表头按档位着色：权益 / 免费（灰）/ 专业（蓝）/ SVIP（金） */
.compare-table thead th:nth-child(1) {
  background: #f4f6fa;
  color: var(--color-text-secondary);
}

.compare-table thead th:nth-child(2) {
  background: #eef1f6;
  color: var(--color-text-muted);
}

.compare-table thead th:nth-child(3) {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.compare-table thead th:nth-child(4) {
  background: #fdf3df;
  color: #b45309;
}

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

.compare-table tbody tr:last-child td {
  border-bottom: none;
}

.compare-table tbody tr:hover {
  background: var(--color-bg);
}

.compare-table td:first-child {
  text-align: left;
  color: var(--color-text-secondary);
}

.compare-table td.yes {
  color: var(--color-success);
  font-weight: 700;
}

.compare-table td.no {
  color: var(--color-text-muted);
}

/* ---------- 更新记录 ---------- */
.changelog-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.changelog-item {
  background: var(--color-bg-plain);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  transition: all var(--ease);
}

.changelog-item:hover {
  box-shadow: var(--shadow-sm);
  border-color: var(--color-primary);
}

.changelog-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}

.changelog-version {
  display: inline-block;
  padding: 3px 14px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-weight: 700;
  font-size: 14px;
}

.changelog-date {
  color: var(--color-text-muted);
  font-size: 13px;
}

.changelog-notes {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.changelog-notes li {
  position: relative;
  padding-left: 16px;
  color: var(--color-text-secondary);
  font-size: 14px;
}

.changelog-notes li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 10px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* ---------- 使用场景 ---------- */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.scene-card {
  background: var(--color-bg-plain);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  text-align: center;
  transition: all var(--ease);
}

.scene-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.scene-avatar {
  display: inline-flex;
  width: 56px;
  height: 56px;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

.scene-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.scene-card p {
  color: var(--color-text-secondary);
  font-size: 14px;
}

/* ---------- 下载区 ---------- */
.section-download {
  background:
    radial-gradient(1000px 480px at 50% 110%, rgba(61, 125, 242, 0.18), transparent 60%),
    var(--color-bg);
}

.download-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  background: var(--color-bg-plain);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  box-shadow: var(--shadow-md);
}

.download-os {
  display: flex;
  align-items: center;
  gap: 18px;
}

.download-os-icon {
  font-size: 44px;
}

.download-os h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}

.download-os p {
  color: var(--color-text-secondary);
  font-size: 14px;
}

.download-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.download-tips {
  margin-top: 20px;
  padding: 13px 22px;
  background: #fff8ec;
  border: 1px solid #f5dcae;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: 13.5px;
  line-height: 1.8;
}

.download-tips p {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

/* ---------- FAQ ---------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--color-bg-plain);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--ease);
}

.faq-item.open {
  border-color: var(--color-primary);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  background: transparent;
  border: none;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  transition: color var(--ease);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-caret {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--color-text-muted);
  border-bottom: 2px solid var(--color-text-muted);
  transform: rotate(45deg);
  transition: transform var(--ease);
}

.faq-item.open .faq-caret {
  transform: rotate(225deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.32s var(--ease);
}

.faq-answer p {
  padding: 0 24px 20px;
  color: var(--color-text-secondary);
  font-size: 14.5px;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--color-bg-deep);
  color: #a7b1c2;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-top: 56px;
  padding-bottom: 44px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-logo {
  width: 42px;
  height: 42px;
  border-radius: 10px;
}

.footer-name {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}

.footer-desc {
  font-size: 13px;
  color: #8b98a8;
}

.footer-links {
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 14px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-col a,
.footer-col span {
  color: #a7b1c2;
  font-size: 14px;
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
}

.footer-bottom p {
  text-align: center;
  font-size: 13px;
  color: #8b98a8;
}

/* ---------- 滚动渐入动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-visual {
    order: -1;
  }

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

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

  .platform-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    padding: 12px 20px 20px;
    box-shadow: var(--shadow-md);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--ease);
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    padding: 13px 16px;
    border-radius: var(--radius-sm);
  }

  .member-plans {
    grid-template-columns: 1fr;
  }

  .member-card-hot {
    order: -1;
  }

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

  .download-box {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 64px 0;
  }

  .section-title {
    font-size: 25px;
  }

  .hero {
    padding: 120px 0 60px;
  }

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

  .hero-subtitle {
    font-size: 21px;
  }

  .hero-stats {
    gap: 22px;
  }

  .feature-grid,
  .scene-grid,
  .platform-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
  }

  .footer-links {
    gap: 32px;
  }

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

  .btn-lg {
    width: 100%;
  }
}

/* ---------- 无障碍：尊重减弱动画偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

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

/* ==========================================================================
   会员在线开通弹窗
   ========================================================================== */
.pay-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  visibility: hidden;
  opacity: 0;
  transition: opacity var(--ease), visibility var(--ease);
}

.pay-modal.is-open {
  visibility: visible;
  opacity: 1;
}

.pay-mask {
  position: absolute;
  inset: 0;
  background: rgba(20, 25, 32, 0.5);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

.pay-dialog {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: var(--color-bg-plain);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 32px 30px 28px;
  transform: translateY(12px) scale(0.98);
  transition: transform var(--ease);
  max-height: calc(100vh - 40px);
  overflow-y: auto;
}

.pay-modal.is-open .pay-dialog {
  transform: translateY(0) scale(1);
}

.pay-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 18px;
  border-radius: var(--radius-sm);
  transition: all var(--ease);
}

.pay-close:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.pay-step {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pay-dialog-title {
  font-size: 21px;
  font-weight: 700;
  color: var(--color-text);
  text-align: center;
}

.pay-dialog-sub {
  color: var(--color-text-secondary);
  font-size: 14px;
  text-align: center;
}

.pay-dialog-sub strong {
  color: var(--color-primary-dark);
}

.pay-mt {
  margin-top: 6px;
}

/* 登录 / 注册 Tab */
.pay-tabs {
  display: flex;
  gap: 8px;
  padding: 4px;
  background: var(--color-bg);
  border-radius: var(--radius-pill);
  margin-top: 4px;
}

.pay-tab {
  flex: 1;
  padding: 9px 0;
  border: none;
  background: transparent;
  border-radius: var(--radius-pill);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--color-text-secondary);
  transition: all var(--ease);
}

.pay-tab.is-active {
  background: var(--color-bg-plain);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

/* 表单 */
.pay-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pay-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pay-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.pay-field input {
  padding: 11px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  color: var(--color-text);
  transition: border-color var(--ease), box-shadow var(--ease);
  background: #fff;
}

.pay-field input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(61, 125, 242, 0.14);
}

.pay-error {
  color: var(--color-danger);
  font-size: 13px;
  line-height: 1.5;
}

.pay-hint {
  color: var(--color-text-muted);
  font-size: 12.5px;
  text-align: center;
  line-height: 1.7;
}

.pay-submit {
  margin-top: 4px;
}

/* 时长选择 */
.pay-periods {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pay-period {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-plain);
  cursor: pointer;
  transition: all var(--ease);
  font-family: inherit;
}

.pay-period:hover {
  border-color: var(--color-primary);
}

.pay-period.is-active {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  box-shadow: 0 0 0 1px var(--color-primary);
}

.pay-period-label {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

.pay-period-price {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary-dark);
}

/* 支付方式 */
.pay-types {
  display: flex;
  gap: 10px;
}

.pay-type {
  flex: 1;
  padding: 11px 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-plain);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--ease);
  font-family: inherit;
}

.pay-type:hover {
  border-color: var(--color-primary);
}

.pay-type.is-active {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

/* 金额 */
.pay-amount {
  text-align: center;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.pay-amount strong {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-left: 4px;
}

/* 二维码 */
.pay-qr {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 216px;
  padding: 12px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.pay-qr canvas,
.pay-qr img {
  border-radius: 4px;
}

/* 成功 */
.pay-success-icon {
  width: 64px;
  height: 64px;
  margin: 6px auto 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-success-light);
  color: var(--color-success);
  font-size: 30px;
  font-weight: 700;
}

/* 返回链接 */
.pay-back {
  padding: 6px;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 13px;
  cursor: pointer;
  text-align: center;
  transition: color var(--ease);
}

.pay-back:hover {
  color: var(--color-primary);
}

/* ---------- 页脚联系交流 ---------- */
.footer-col .footer-qq-link {
  color: var(--color-primary-light);
  font-weight: 600;
}

.footer-col .footer-qq-link:hover {
  color: #fff;
  text-decoration: underline;
}

.footer-msg-btn {
  margin-top: 4px;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font-size: 13.5px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--ease);
}

.footer-msg-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ---------- 在线留言弹窗 ---------- */
.contact-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  visibility: hidden;
  opacity: 0;
  transition: opacity var(--ease), visibility var(--ease);
}

.contact-modal.is-open {
  visibility: visible;
  opacity: 1;
}

.contact-mask {
  position: absolute;
  inset: 0;
  background: rgba(20, 25, 32, 0.5);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

.contact-dialog {
  position: relative;
  width: 100%;
  max-width: 440px;
  background: var(--color-bg-plain);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 32px 30px 26px;
  transform: translateY(12px) scale(0.98);
  transition: transform var(--ease);
  max-height: calc(100vh - 40px);
  overflow-y: auto;
}

.contact-modal.is-open .contact-dialog {
  transform: translateY(0) scale(1);
}

.contact-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 18px;
  border-radius: var(--radius-sm);
  transition: all var(--ease);
  cursor: pointer;
}

.contact-close:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.contact-dialog-title {
  font-size: 21px;
  font-weight: 700;
  color: var(--color-text);
  text-align: center;
  margin-bottom: 8px;
}

.contact-dialog-sub {
  color: var(--color-text-secondary);
  font-size: 13.5px;
  line-height: 1.7;
  text-align: center;
  margin-bottom: 18px;
}

.contact-dialog-qq {
  color: var(--color-primary);
  font-weight: 600;
}

.contact-dialog-qq:hover {
  text-decoration: underline;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contact-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.contact-field input,
.contact-field textarea {
  padding: 11px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  color: var(--color-text);
  transition: border-color var(--ease), box-shadow var(--ease);
  background: #fff;
  resize: vertical;
}

.contact-field textarea {
  min-height: 96px;
  line-height: 1.6;
}

.contact-field input:focus,
.contact-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(61, 125, 242, 0.14);
}

.contact-error {
  color: var(--color-danger);
  font-size: 13px;
  line-height: 1.5;
  background: rgba(207, 74, 74, 0.08);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
}

.contact-success {
  color: var(--color-success);
  font-size: 13px;
  line-height: 1.5;
  background: var(--color-success-light);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
}

.contact-submit {
  margin-top: 4px;
}

.contact-hint {
  color: var(--color-text-muted);
  font-size: 12px;
  text-align: center;
  line-height: 1.6;
  margin-top: 2px;
}