@charset "utf-8";

/* =========================================================
   eM Client 中文官网 - 公共样式 common.css
   主题色：#FE9600（橙黄）单一主题色
   浅色主题 · 现代简洁 · 无呼吸灯动画
   ========================================================= */

/* ---------- 设计变量 ---------- */
:root {
  --color-primary: #FE9600;
  --color-primary-dark: #e07f00;
  --color-secondary: #FE9600;
  --color-secondary-dark: #e07f00;
  --color-accent: #ffb347;

  --color-text: #1c2330;
  --color-text-soft: #5a6472;
  --color-text-muted: #8b95a3;

  --color-bg: #ffffff;
  --color-bg-soft: #f6f8fb;
  --color-bg-tint: #fff8ee;
  --color-border: #e7ebf1;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --shadow-sm: 0 4px 16px rgba(28, 35, 48, .06);
  --shadow-md: 0 12px 32px rgba(28, 35, 48, .08);
  --shadow-lg: 0 24px 60px rgba(28, 35, 48, .12);

  --max-width: 1200px;
  --header-height: 72px;

  --font-base: "PingFang SC", "Microsoft YaHei", "微软雅黑", "Segoe UI",
    "Helvetica Neue", Arial, "Hiragino Sans GB", sans-serif;
}

/* ---------- 基础重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.75;
  font-size: 16px;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ---------- 通用容器与排版 ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }
.section--soft { background: var(--color-bg-soft); }

.section-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.section-tag {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--color-primary);
  background: var(--color-bg-tint);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 18px;
}
.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.01em;
}
.section-desc {
  margin-top: 16px;
  font-size: 18px;
  color: var(--color-text-soft);
}

/* 中英文混排：英文单词与中文之间留白 */
.text-en { padding: 0 .15em; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn svg { width: 20px; height: 20px; flex-shrink: 0; }

/* 突显：立即购买 */
.btn--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 10px 24px rgba(254, 150, 0, .32);
}
.btn--primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(254, 150, 0, .4);
}

.btn--secondary {
  background: var(--color-secondary);
  color: #fff;
  box-shadow: 0 10px 24px rgba(254, 150, 0, .28);
}
.btn--secondary:hover {
  background: var(--color-secondary-dark);
  transform: translateY(-2px);
}

/* 弱化：下载试用 */
.btn--ghost {
  background: #fff;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--lg { padding: 16px 34px; font-size: 17px; }
.btn--block { width: 100%; }

/* =========================================================
   导航 Header 样式
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--color-border);
}
.nav {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-brand { display: flex; align-items: center; gap: 12px; }
.nav-brand img { height: 38px; width: auto; }
.nav-brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.nav-brand-name { font-size: 18px; font-weight: 800; color: var(--color-text); }
.nav-brand-sub { font-size: 11px; color: var(--color-text-muted); font-weight: 500; }

.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-menu > li > a {
  display: block;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-soft);
  border-radius: var(--radius-sm);
  transition: color .2s ease, background .2s ease;
}
.nav-menu > li > a:hover {
  color: var(--color-primary);
  background: var(--color-bg-tint);
}
.nav-menu > li > a { display: flex; align-items: center; gap: 4px; }
.nav-caret { width: 15px; height: 15px; transition: transform .25s ease; }

/* 桌面二级下拉 */
.nav-item { position: relative; }
.nav-submenu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 210px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
  z-index: 1100;
}
.nav-item.has-children:hover .nav-submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-item.has-children:hover > a .nav-caret { transform: rotate(180deg); }
.nav-submenu li { list-style: none; }
.nav-submenu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 9px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-soft);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: color .2s ease, background .2s ease;
}
.nav-submenu:not(.nav-lang-menu) a::after {
  content: "";
  width: 7px; height: 7px;
  flex-shrink: 0;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  opacity: 0;
  transition: opacity .2s ease, transform .2s ease;
}
.nav-submenu a:hover { color: var(--color-primary); background: var(--color-bg-tint); }
.nav-submenu:not(.nav-lang-menu) a:hover::after { opacity: .7; transform: rotate(-45deg) translate(2px, -2px); }
/* 桥接父项与下拉的悬停间隙 */
.nav-item.has-children::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 10px;
}

.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-actions .btn { padding: 11px 22px; font-size: 15px; }

/* 语言切换（桌面） */
.nav-lang { position: relative; }
.nav-lang-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 9px 12px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-soft);
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}
.nav-lang-btn:hover { color: var(--color-primary); border-color: var(--color-primary); background: var(--color-bg-tint); }
.nav-globe { width: 17px; height: 17px; flex-shrink: 0; }
.nav-lang .nav-caret { width: 14px; height: 14px; }
.nav-lang.has-children:hover .nav-lang-btn .nav-caret { transform: rotate(180deg); }
.nav-lang-menu { left: auto; right: 0; min-width: 180px; }
.nav-lang-menu a.is-active { color: var(--color-primary); background: var(--color-bg-tint); }
.nav-lang-menu a.is-active::after { content: "✓"; float: right; }

/* 语言切换（移动） */
.mobile-lang { margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--color-border); }
.mobile-lang-head {
  display: flex; align-items: center; gap: 8px;
  padding: 0 14px 10px;
  font-size: 13px; font-weight: 700; color: var(--color-text-muted);
}
.mobile-lang-head .nav-globe { width: 16px; height: 16px; }
.mobile-lang-list { display: flex; flex-direction: column; gap: 2px; }
.mobile-lang-list a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 14px;
  font-size: 15px; font-weight: 600;
  color: var(--color-text); border-radius: var(--radius-sm);
}
.mobile-lang-list a:hover { background: var(--color-bg-tint); color: var(--color-primary); }
.mobile-lang-list a.is-active { color: var(--color-primary); }
.mobile-lang-list a.is-active::after { content: "✓"; }

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  cursor: pointer;
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: transform .3s ease, opacity .2s ease, top .3s ease;
}
.nav-toggle span { top: 50%; margin-top: -1px; }
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }
.nav-toggle.is-active span { background: transparent; }
.nav-toggle.is-active span::before { top: 0; transform: translateX(-50%) rotate(45deg); }
.nav-toggle.is-active span::after { top: 0; transform: translateX(-50%) rotate(-45deg); }

/* 移动端抽屉菜单 */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 1100;
  visibility: hidden;
  pointer-events: none;
}
.mobile-drawer.is-open { visibility: visible; pointer-events: auto; }
.mobile-drawer-overlay {
  position: absolute;
  inset: 0;
  background: rgba(28, 35, 48, .45);
  opacity: 0;
  transition: opacity .3s ease;
}
.mobile-drawer.is-open .mobile-drawer-overlay { opacity: 1; }
.mobile-drawer-panel {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: min(82vw, 360px);
  background: #fff;
  box-shadow: var(--shadow-lg);
  transform: translateX(100%);
  transition: transform .35s cubic-bezier(.22, 1, .36, 1);
  display: flex;
  flex-direction: column;
  padding: 24px;
  overflow-y: auto;
}
.mobile-drawer.is-open .mobile-drawer-panel { transform: translateX(0); }
.mobile-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}
.mobile-drawer-head .brand { display: flex; align-items: center; gap: 10px; }
.mobile-drawer-head img { height: 32px; }
.mobile-drawer-head .name { font-weight: 800; font-size: 16px; }
.mobile-drawer-close {
  width: 40px; height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff; cursor: pointer;
  font-size: 22px; line-height: 1; color: var(--color-text-soft);
}
.mobile-nav { margin-top: 18px; display: flex; flex-direction: column; gap: 4px; }
.mobile-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 14px;
  font-size: 17px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  color: var(--color-text);
}
.mobile-nav a:hover { background: var(--color-bg-tint); color: var(--color-primary); }
.mobile-nav > a::after { content: "›"; color: var(--color-text-muted); font-size: 20px; }

/* 移动端二级分组（折叠） */
.mobile-nav-group { border-radius: var(--radius-sm); }
.mobile-nav-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  font-family: inherit;
}
.mobile-nav-toggle:hover { background: var(--color-bg-tint); color: var(--color-primary); }
.mobile-nav-toggle .nav-caret { width: 18px; height: 18px; transition: transform .25s ease; }
.mobile-nav-group.is-open .mobile-nav-toggle { color: var(--color-primary); }
.mobile-nav-group.is-open .mobile-nav-toggle .nav-caret { transform: rotate(180deg); }
.mobile-subnav {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .28s ease;
}
.mobile-subnav-inner { overflow: hidden; display: flex; flex-direction: column; }
.mobile-nav-group.is-open .mobile-subnav { grid-template-rows: 1fr; }
.mobile-subnav a {
  padding: 10px 14px 10px 28px;
  font-size: 15px;
  color: var(--color-text-soft);
}
.mobile-subnav a::after { content: none; }
.mobile-drawer-actions {
  margin-top: auto;
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* =========================================================
   英雄区 Hero 样式（无网格背景 / 无胶囊）
   ========================================================= */
.hero {
  position: relative;
  padding: 120px 0 160px;
  text-align: center;
  background:
    radial-gradient(1100px 520px at 50% -20%, rgba(254, 150, 0, .16), transparent 62%),
    radial-gradient(900px 480px at 12% 120%, rgba(255, 179, 71, .16), transparent 60%),
    radial-gradient(900px 480px at 88% 110%, rgba(254, 150, 0, .1), transparent 60%),
    var(--color-bg);
  overflow: hidden;
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 880px;
  margin: 0 auto;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.hero-eyebrow-icon {
  width: 38px; height: 38px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border-radius: 11px;
  background: #fff;
  border: 1px solid var(--color-border);
  box-shadow: 0 6px 16px rgba(28, 35, 48, .1);
}
.hero-eyebrow-icon img { width: 24px; height: 24px; object-fit: contain; }
.hero-eyebrow-text {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--color-text-soft);
  position: relative;
  padding-bottom: 4px;
}
.hero-eyebrow-text b { color: var(--color-primary); font-weight: 800; }
.hero-eyebrow-text::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 32px; height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, #FE9600, #ffc24d);
}
.hero-title {
  margin-top: 28px;
  font-size: clamp(38px, 6vw, 68px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -.02em;
}
.hero-title .accent { color: var(--color-primary); }
.hero-title .accent-green { color: var(--color-primary); }
.hero-desc {
  margin-top: 24px;
  font-size: 20px;
  color: var(--color-text-soft);
  max-width: 680px;
}
.hero-actions { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* 数据指标条 */
.hero-stats {
  margin-top: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px 36px;
}
.hero-stat { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.hero-stat-num {
  font-size: 34px; font-weight: 900; line-height: 1;
  color: var(--color-text);
}
.hero-stat-num em { font-style: normal; font-size: 18px; color: var(--color-primary); margin-left: 2px; }
.hero-stat-label { font-size: 14px; color: var(--color-text-muted); font-weight: 600; }
.hero-stat-divider { width: 1px; height: 38px; background: var(--color-border); }

/* 背景柔光球（缓慢漂移，非呼吸闪烁） */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  z-index: 0;
  pointer-events: none;
}
.hero-orb--1 {
  width: 460px; height: 460px;
  top: -160px; right: -60px;
  background: rgba(254, 150, 0, .2);
  animation: heroDrift 20s ease-in-out infinite;
}
.hero-orb--2 {
  width: 380px; height: 380px;
  bottom: -120px; left: -40px;
  background: rgba(255, 179, 71, .2);
  animation: heroDrift 24s ease-in-out infinite reverse;
}
.hero-orb--3 {
  width: 300px; height: 300px;
  top: 40%; left: 46%;
  background: rgba(254, 150, 0, .1);
  animation: heroDrift 26s ease-in-out infinite;
}
@keyframes heroDrift {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-40px, 36px); }
}

/* 底部波浪过渡（衔接下一通栏区块） */
.hero-wave {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  width: 100%; height: 110px;
  z-index: 1;
  display: block;
}

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

/* =========================================================
   平台下载卡片 Platforms 样式
   ========================================================= */
.pf-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}
.pf-intro .section-title { text-align: left; }
.pf-intro-desc {
  margin-top: 18px;
  font-size: 17px;
  color: var(--color-text-soft);
  max-width: 420px;
}
.pf-intro-tags { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 12px 22px; }
.pf-intro-tags span {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 15px; font-weight: 600; color: var(--color-text);
}
.pf-intro-tags svg {
  width: 18px; height: 18px;
  color: var(--color-primary);
  background: var(--color-bg-tint);
  border-radius: 50%;
  padding: 3px;
}

.pf-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.pf-grid--3 { grid-template-columns: repeat(3, 1fr); }
.pf-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.pf-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--color-primary), #ffc24d);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .3s ease;
}
.pf-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.pf-card:hover::before { transform: scaleY(1); }
.pf-card-icon {
  width: 54px; height: 54px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border-radius: 14px;
  background: var(--color-bg-tint);
  color: var(--color-primary);
  transition: background .25s ease, color .25s ease;
}
.pf-card:hover .pf-card-icon { background: var(--color-primary); color: #fff; }
.pf-card-icon svg { width: 28px; height: 28px; }
.pf-card-body { flex: 1; display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.pf-card-name { font-size: 19px; font-weight: 800; color: var(--color-text); }
.pf-card-desc { font-size: 14px; color: var(--color-text-soft); }
.pf-card-arrow {
  width: 40px; height: 40px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--color-bg-soft);
  color: var(--color-text-muted);
  transition: background .25s ease, color .25s ease;
}
.pf-card-arrow svg { width: 18px; height: 18px; }
.pf-card:hover .pf-card-arrow { background: var(--color-primary); color: #fff; }

/* =========================================================
   功能特性 Features 样式
   ========================================================= */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.feature-grid--3 { grid-template-columns: repeat(3, 1fr); }
.feature-grid--2 { grid-template-columns: repeat(2, 1fr); }
.feature-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.feature-card::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), #ffc24d);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.feature-card:hover::after { transform: scaleX(1); }
.feature-card-icon {
  width: 58px; height: 58px;
  border-radius: 16px;
  background: var(--color-bg-tint);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  transition: transform .3s ease;
}
.feature-card:hover .feature-card-icon { transform: scale(1.08) rotate(-4deg); }
.feature-card-icon img { width: 32px; height: 32px; }
.feature-card h3 { font-size: 18px; font-weight: 800; }
.feature-card p {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-soft);
}

/* =========================================================
   团队区 Teams CTA 样式
   ========================================================= */
.teams {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary), #ffb347);
  border-radius: var(--radius-lg);
  padding: 64px 56px;
  color: #fff;
  text-align: center;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.teams h2 { font-size: clamp(26px, 3.6vw, 38px); font-weight: 800; }
.teams p { margin: 16px auto 32px; font-size: 18px; max-width: 620px; opacity: .95; }
.teams .btn--ghost { color: var(--color-primary); border-color: transparent; }

/* 装饰柔光（缓慢漂移） */
.teams-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}
.teams-glow--1 { width: 300px; height: 300px; top: -120px; right: -60px; background: rgba(255, 255, 255, .35); }
.teams-glow--2 { width: 260px; height: 260px; bottom: -120px; left: 10%; background: rgba(255, 255, 255, .2); }

/* 重设计：左右分栏 */
.teams-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: center;
  text-align: left;
}
.teams-copy { text-align: left; }
.teams-tag {
  display: inline-block;
  font-size: 13px; font-weight: 800; letter-spacing: .08em;
  background: rgba(255, 255, 255, .22);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}
.teams-copy h2 { font-size: clamp(28px, 3.8vw, 42px); font-weight: 800; line-height: 1.25; }
.teams-copy p { margin: 16px 0 24px; font-size: 18px; max-width: none; opacity: .95; }
.teams-benefits { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.teams-benefits li {
  display: flex; align-items: center; gap: 12px;
  font-size: 16px; font-weight: 600;
}
.teams-benefits svg {
  width: 16px; height: 16px;
  flex-shrink: 0;
  padding: 5px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .25);
}
.teams-actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* 统计卡组 */
.teams-stats { display: flex; flex-direction: column; gap: 16px; }
.teams-stat {
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: var(--radius-md);
  padding: 22px 28px;
  backdrop-filter: blur(6px);
}
.teams-stat-num { display: block; font-size: 30px; font-weight: 900; line-height: 1.1; }
.teams-stat-label { display: block; margin-top: 4px; font-size: 14px; opacity: .9; }

/* 浅色按钮（用于深色/彩色背景） */
.btn--light { background: rgba(255, 255, 255, .18); color: #fff; border-color: rgba(255, 255, 255, .4); }
.btn--light:hover { background: rgba(255, 255, 255, .28); transform: translateY(-2px); }

/* =========================================================
   功能概览 Overview（截图 + 标签）样式
   ========================================================= */
.ov-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }

.ov-media { position: relative; }
.ov-media-glow {
  position: absolute;
  inset: -8% -6% -12% -6%;
  border-radius: 36px;
  background: linear-gradient(135deg, rgba(254,150,0,.18), rgba(255,194,77,.12));
  filter: blur(8px);
  z-index: 0;
}
.ov-media img {
  position: relative;
  z-index: 1;
  width: 100%;
  border-radius: var(--radius-lg);
}

.ov-list { display: flex; flex-direction: column; gap: 12px; }
.ov-item {
  display: flex; align-items: center; gap: 16px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}
.ov-item:hover {
  border-color: transparent;
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
}
.ov-item-icon {
  width: 48px; height: 48px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border-radius: 13px;
  background: var(--color-bg-tint);
  transition: transform .25s ease;
}
.ov-item:hover .ov-item-icon { transform: scale(1.08); }
.ov-item-icon img { width: 26px; height: 26px; }
.ov-item-text { flex: 1; display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.ov-item-text b { font-size: 17px; font-weight: 800; color: var(--color-text); }
.ov-item-text i { font-size: 13px; font-style: normal; color: var(--color-text-soft); }
.ov-item-arrow {
  flex-shrink: 0;
  font-size: 22px; line-height: 1;
  color: var(--color-text-muted);
  transition: color .25s ease, transform .25s ease;
}
.ov-item:hover .ov-item-arrow { color: var(--color-primary); transform: translateX(3px); }

/* =========================================================
   兼容性 Compatibility 样式
   ========================================================= */
.cp-inner { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 64px; align-items: center; }
.cp-copy .section-title { text-align: left; }

.cp-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.cp-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  text-align: center;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.cp-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.cp-card-logo {
  height: 52px;
  display: flex; align-items: center; justify-content: center;
}
.cp-card-logo img { max-height: 48px; max-width: 90px; width: auto; }
.cp-card-name { font-size: 15px; font-weight: 700; color: var(--color-text); }

/* 更多服务卡：横跨两列，主题色 */
.cp-card--more {
  grid-column: 1 / -1;
  flex-direction: row;
  justify-content: space-between;
  padding: 22px 28px;
  background: linear-gradient(135deg, var(--color-primary), #ffc24d);
  border-color: transparent;
  color: #fff;
}
.cp-card-more-text { font-size: 17px; font-weight: 800; }
.cp-card-arrow {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, .25);
  transition: transform .25s ease;
}
.cp-card-arrow svg { width: 20px; height: 20px; }
.cp-card--more:hover .cp-card-arrow { transform: translateX(4px); }

/* =========================================================
   信任背书 Trust 样式
   ========================================================= */
.tr-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}
.tr-logo {
  flex: 0 0 calc((100% - 80px) / 6);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 88px;
  padding: 18px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.tr-logo:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.tr-logo img {
  max-width: 100%;
  max-height: 40px;
  object-fit: contain;
  filter: grayscale(1);
  opacity: .6;
  transition: filter .25s ease, opacity .25s ease;
}
.tr-logo:hover img { filter: grayscale(0); opacity: 1; }
.tr-logo--more {
  font-size: 15px;
  font-weight: 800;
  color: var(--color-primary);
  background: var(--color-bg-tint);
  border-style: dashed;
  border-color: rgba(254, 150, 0, .4);
}

/* =========================================================
   页脚 Footer 样式（全新设计）
   ========================================================= */
.site-footer {
  background: #0f1622;
  color: #c5ccd6;
  padding: 64px 0 32px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-brand { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.footer-brand img { height: 40px; background: #fff; padding: 6px; border-radius: 10px; }
.footer-brand .name { display: block; font-size: 19px; font-weight: 800; color: #fff; line-height: 1.2; }
.footer-brand .sub { display: block; font-size: 12px; color: #8b95a3; line-height: 1.2; }
.footer-brand br { display: none; }
.footer-about { max-width: 460px; }
.footer-about p { font-size: 15px; color: #9aa4b2; }
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-shrink: 0;
}
.footer-contact-item {
  display: flex; align-items: center; gap: 12px;
  font-size: 15px; font-weight: 600;
  color: #c5ccd6;
  padding: 12px 18px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius-md);
  transition: border-color .25s ease, background .25s ease;
}
.footer-contact-item:hover { border-color: var(--color-primary); background: rgba(254, 150, 0, .08); }
.footer-contact-item svg { width: 20px; height: 20px; color: var(--color-primary); flex-shrink: 0; }
.footer-bottom {
  padding-top: 28px;
  text-align: center;
  font-size: 13px;
  color: #7a8493;
  line-height: 1.9;
}
.footer-bottom strong { color: #c5ccd6; }

/* =========================================================
   内页通用：页头 page-hero（模板 A/B 复用）
   ========================================================= */
.page-hero {
  position: relative;
  padding: 80px 0 72px;
  text-align: center;
  background:
    radial-gradient(900px 420px at 50% -30%, rgba(254, 150, 0, .14), transparent 62%),
    var(--color-bg);
  overflow: hidden;
}
.page-hero-inner { position: relative; z-index: 1; max-width: 820px; margin: 0 auto; }
.page-hero .section-tag { margin-bottom: 18px; }
.page-hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -.02em;
}
.page-hero h1 .accent { color: var(--color-primary); }
.page-hero-desc {
  margin: 20px auto 0;
  font-size: 19px;
  color: var(--color-text-soft);
  max-width: 660px;
}
.page-hero-actions { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.page-hero-avail {
  margin-top: 22px;
  font-size: 14px;
  color: var(--color-text-muted);
}
.page-hero-avail a { color: var(--color-primary); font-weight: 600; }
.page-hero-avail a:hover { color: var(--color-primary-dark); }

/* =========================================================
   内页通用：图文交替块 media-row（模板 A/B 复用）
   ========================================================= */
.media-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.media-row + .media-row { margin-top: 72px; }
.media-row--reverse .media-row-text { order: 2; }
.media-row-tag {
  display: inline-block;
  font-size: 13px; font-weight: 800; letter-spacing: .06em;
  color: var(--color-primary);
  background: var(--color-bg-tint);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}
.media-row-text h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 800; line-height: 1.3; }
.media-row-text p { margin-top: 16px; font-size: 17px; line-height: 1.8; color: var(--color-text-soft); }
.media-row-text p + p { margin-top: 12px; }
.media-row-text a:not(.btn) { color: var(--color-primary); font-weight: 600; }
.media-row-text a:not(.btn):hover { text-decoration: underline; }
.media-row-text .btn { margin-top: 24px; }
.media-row-media {
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.media-row-media img {
  max-width: 100%;
  width: auto;
  height: auto;
  border-radius: var(--radius-lg);
}
/* .media-row-media--shadow img { box-shadow: var(--shadow-lg); } */
.media-row-media--plain img { border-radius: 0; }

/* =========================================================
   内页通用：截图幻灯片 carousel（多页复用）
   ========================================================= */
.carousel { position: relative; }
.carousel-viewport { overflow: hidden; border-radius: var(--radius-lg); }
.carousel-track {
  display: flex;
  transition: transform .5s cubic-bezier(.22, 1, .36, 1);
}
.carousel-slide {
  flex: 0 0 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.carousel-slide img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.carousel-slide-caption {
  display: block;
  margin-top: 16px;
  text-align: center;
  font-size: 15px;
  color: var(--color-text-soft);
}
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: rgba(255, 255, 255, .92);
  color: var(--color-text);
  cursor: pointer;
  box-shadow: var(--shadow-md);
  z-index: 3;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.carousel-btn:hover { background: var(--color-primary); color: #fff; border-color: transparent; }
.carousel-btn:active { transform: translateY(-50%) scale(.94); }
.carousel-btn svg { width: 22px; height: 22px; }
.carousel-prev { left: 14px; }
.carousel-next { right: 14px; }
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 22px;
}
.carousel-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: none;
  background: var(--color-border);
  cursor: pointer;
  transition: background .25s ease, width .25s ease;
}
.carousel-dot.is-active { background: var(--color-primary); width: 28px; border-radius: 5px; }

/* ---- 封面流模式 coverflow（一列三图，中间大）---- */
.carousel--coverflow .carousel-viewport { overflow: hidden; border-radius: 0; padding: 16px 0; }
.carousel--coverflow .carousel-track { position: relative; align-items: center; }
.carousel--coverflow .carousel-slide {
  flex: 0 0 56%;
  padding: 0 14px;
  transform: scale(.78);
  opacity: .4;
  filter: saturate(.85);
  transition: transform .5s cubic-bezier(.22,1,.36,1), opacity .5s ease, filter .5s ease;
}
.carousel--coverflow .carousel-slide.is-active {
  transform: scale(1);
  opacity: 1;
  filter: none;
}
.carousel--coverflow .carousel-slide img { cursor: zoom-in; width: 100%; }
.carousel--coverflow .carousel-prev { left: 8%; }
.carousel--coverflow .carousel-next { right: 8%; }

/* ---- 能力幻灯片 cap-carousel（一行多卡片横向滑动）---- */
.cap-carousel { position: relative; }
.cap-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -ms-overflow-style: none;
  scrollbar-width: none;
  padding: 4px 2px 10px;
}
.cap-track::-webkit-scrollbar { display: none; }
.cap-slide { flex: 0 0 calc((100% - 60px) / 4); scroll-snap-align: start; }
.cap-carousel .carousel-btn { top: 50%; }
.cap-carousel .carousel-prev { left: -18px; }
.cap-carousel .carousel-next { right: -18px; }
.cap-carousel .carousel-btn[disabled] { opacity: 0; pointer-events: none; }
@media (max-width: 1024px) { .cap-slide { flex-basis: calc((100% - 20px) / 2); } }
@media (max-width: 560px) { .cap-slide { flex-basis: 86%; } }

/* ---- 灯箱 lightbox（点击放大）---- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5vw;
  background: rgba(15, 22, 34, .88);
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease, visibility .3s ease;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox-img {
  max-width: 100%;
  max-height: 90vh;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  transform: scale(.96);
  transition: transform .3s ease;
}
.lightbox.is-open .lightbox-img { transform: scale(1); }
.lightbox-close {
  position: absolute;
  top: 24px; right: 28px;
  width: 48px; height: 48px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, .14);
  color: #fff;
  font-size: 28px; line-height: 1;
  cursor: pointer;
  transition: background .2s ease;
}
.lightbox-close:hover { background: var(--color-primary); }

/* =========================================================
   内页通用：底部"基础功能"导航 basics-nav（模板 A 复用）
   ========================================================= */
.basics-nav {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}
.basics-nav-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.basics-nav-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: transparent; }
.basics-nav-icon {
  width: 50px; height: 50px;
  margin-bottom: 6px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 14px;
  background: var(--color-bg-tint);
  transition: transform .25s ease;
}
.basics-nav-card:hover .basics-nav-icon { transform: scale(1.08); }
.basics-nav-icon img { width: 28px; height: 28px; }
.basics-nav-card b { font-size: 17px; font-weight: 800; color: var(--color-text); }
.basics-nav-card span { font-size: 14px; color: var(--color-text-soft); line-height: 1.6; }
.basics-nav-card b::after { content: " ›"; color: var(--color-primary); }

/* =========================================================
   内页通用：集成页 — 双 Logo 标识 integ-logos
   ========================================================= */
.integ-logos {
  display: inline-flex;
  align-items: center;
  gap: 22px;
  margin-bottom: 26px;
}
.integ-logos img { height: 44px; width: auto; }
.integ-logos .integ-plus {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--color-bg-tint);
  color: var(--color-primary);
}
.integ-logos .integ-plus svg { width: 18px; height: 18px; }

/* 同步能力清单 sync-list */
.sync-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.sync-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.sync-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.sync-item-icon {
  width: 48px; height: 48px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border-radius: 13px;
  background: var(--color-bg-tint);
}
.sync-item-icon img { width: 26px; height: 26px; }
.sync-item span { font-size: 16px; font-weight: 600; color: var(--color-text); line-height: 1.5; }

/* 设置步骤 steps */
.steps { max-width: 920px; margin: 0 auto; display: flex; flex-direction: column; gap: 28px; }
.step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 24px;
  align-items: start;
}
.step-num {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), #ffc24d);
  color: #fff;
  font-size: 22px; font-weight: 900;
  box-shadow: 0 8px 20px rgba(254, 150, 0, .3);
}
.step-body {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 22px 24px;
}
.step-body p { font-size: 16px; line-height: 1.8; color: var(--color-text-soft); margin: 0; }
.step-body p strong { color: var(--color-text); font-weight: 700; }
.step-body figure { margin: 0 0 16px; }
.step-body figure img {
  max-width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  cursor: zoom-in;
}

/* 服务目录 svc-grid（email-services / compatibility 复用） */
.svc-group { margin-top: 40px; }
.svc-group-title {
  font-size: 14px; font-weight: 800; letter-spacing: .08em;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.svc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.svc-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
a.svc-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.svc-card-logo {
  width: 40px; height: 40px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.svc-card-logo img { max-width: 100%; max-height: 36px; object-fit: contain; }
.svc-card span { font-size: 15px; font-weight: 700; color: var(--color-text); }

/* =========================================================
   价格页 pricing
   ========================================================= */
.pricing-toggle {
  display: inline-flex;
  gap: 4px;
  padding: 5px;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  margin: 0 auto 8px;
}
.pricing-toggle button {
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-soft);
  padding: 10px 26px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background .25s ease, color .25s ease;
}
.pricing-toggle button.is-active { background: var(--color-primary); color: #fff; box-shadow: 0 6px 16px rgba(254,150,0,.28); }
.pricing-note { text-align: center; font-size: 14px; color: var(--color-text-muted); margin-bottom: 36px; }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
  max-width: 1000px;
  margin: 40px auto 0;
}
.pricing-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.pricing-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.pricing-card--featured { border-color: var(--color-primary); box-shadow: var(--shadow-md); }
.pricing-badge {
  position: absolute;
  top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  font-size: 12px; font-weight: 800; letter-spacing: .05em;
  padding: 5px 16px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}
.pricing-card h3 { font-size: 22px; font-weight: 800; }
.pricing-card .pricing-sub { font-size: 14px; color: var(--color-text-soft); margin: 8px 0 22px; min-height: 38px; }
.pricing-price { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.pricing-price .cur { font-size: 38px; font-weight: 900; color: var(--color-text); }
.pricing-price .cur small { font-size: 18px; font-weight: 800; }
.pricing-price .old { font-size: 17px; color: var(--color-text-muted); text-decoration: line-through; }
.pricing-card .pricing-cta { margin-top: 26px; }

/* 卡片内购买选项滑块 pricing-switch */
.pricing-switch {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  margin-bottom: 22px;
}
.pricing-switch button {
  flex: 1;
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-soft);
  padding: 9px 6px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: background .25s ease, color .25s ease;
}
.pricing-switch button.is-active { background: #fff; color: var(--color-primary); box-shadow: var(--shadow-sm); }
.pricing-switch .rec {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .02em;
  background: var(--color-primary);
  color: #fff;
  padding: 2px 6px;
  border-radius: var(--radius-pill);
}
.pricing-card .pricing-save { font-size: 13px; color: var(--color-secondary); font-weight: 700; margin-top: 10px; min-height: 18px; }

/* 功能对比表 cmp-table */
.cmp-wrap { max-width: 980px; margin: 0 auto; overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--color-border); }
.cmp-table { width: 100%; border-collapse: collapse; min-width: 640px; background: #fff; }
.cmp-table th, .cmp-table td { padding: 15px 18px; text-align: center; border-bottom: 1px solid var(--color-border); font-size: 15px; }
.cmp-table thead th { background: var(--color-bg-soft); font-weight: 800; color: var(--color-text); position: sticky; top: 0; }
.cmp-table thead th.col-feature { text-align: left; }
.cmp-table tbody td:first-child { text-align: left; color: var(--color-text); font-weight: 600; }
.cmp-table tbody tr:hover { background: var(--color-bg-tint); }
.cmp-yes { color: var(--color-secondary); font-weight: 900; }
.cmp-no { color: #d0d6de; font-weight: 900; }
.cmp-table td small { display: block; font-weight: 400; color: var(--color-text-muted); font-size: 13px; }
.cmp-table.is-diff .cmp-same { display: none; }
.cmp-table th.col-em { background: var(--color-bg-tint); border-bottom: 3px solid var(--color-primary); }
.cmp-table td.col-em { background: rgba(45,108,223,.06); }
.cmp-table td.col-em .cmp-yes { color: var(--color-primary); }
.cmp-logo { display: block; height: 30px; width: auto; margin: 0 auto 6px; object-fit: contain; }
.cmp-table thead th { font-size: 13px; font-weight: 700; line-height: 1.3; padding-top: 18px; padding-bottom: 14px; }
.cmp-section-row td { background: var(--color-bg-soft); text-align: left !important; font-weight: 800 !important; color: var(--color-text) !important; font-size: 14px; letter-spacing: .3px; }
.cmp-panel { display: none; }
.cmp-panel.is-active { display: block; }

/* 快捷键 kbd */
.kbd {
  display: inline-block;
  min-width: 22px;
  padding: 3px 8px;
  margin: 2px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-bottom-width: 2px;
  border-radius: 6px;
  white-space: nowrap;
}
.kbd-sep { color: var(--color-text-muted); margin: 0 2px; font-size: 13px; }
.sc-section + .sc-section { margin-top: 48px; }
.sc-section h2 {
  font-size: 22px; font-weight: 800;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-bg-tint);
}

/* 教程视频 tut */
.tut-filter { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 40px; }
.tut-filter button {
  border: 1px solid var(--color-border);
  background: #fff;
  font-family: inherit;
  font-size: 14px; font-weight: 700;
  color: var(--color-text-soft);
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.tut-filter button:hover { border-color: var(--color-primary); color: var(--color-primary); }
.tut-filter button.is-active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.tut-cat-title { font-size: 14px; font-weight: 800; letter-spacing: .08em; color: var(--color-primary); text-transform: uppercase; margin: 40px 0 8px; }
.tut-cat-desc { color: var(--color-text-soft); margin-bottom: 22px; }
.tut-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.tut-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease;
}
.tut-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.tut-thumb { position: relative; aspect-ratio: 16/10; overflow: hidden; background: var(--color-bg-tint); }
.tut-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.tut-play {
  position: absolute; inset: 0; margin: auto;
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.92);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  transition: transform .2s ease, background .2s ease;
}
.tut-card:hover .tut-play { transform: scale(1.1); background: var(--color-primary); }
.tut-play svg { width: 22px; height: 22px; color: var(--color-primary); margin-left: 3px; }
.tut-card:hover .tut-play svg { color: #fff; }
.tut-card h3 { font-size: 15px; font-weight: 700; line-height: 1.5; padding: 16px 18px; color: var(--color-text); }

/* FAQ 常见问题 */
.faq-search { max-width: 560px; margin: 0 auto 36px; position: relative; }
.faq-search input {
  width: 100%; font-family: inherit; font-size: 16px;
  padding: 14px 18px 14px 46px;
  border: 1px solid var(--color-border); border-radius: var(--radius-pill);
  background: #fff; color: var(--color-text);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.faq-search input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(45,108,223,.12); }
.faq-search svg { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); width: 20px; height: 20px; color: var(--color-text-muted); }
.faq-tabs { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 40px; }
.faq-tabs button {
  border: 1px solid var(--color-border); background: #fff;
  font-family: inherit; font-size: 14px; font-weight: 700; color: var(--color-text-soft);
  padding: 10px 22px; border-radius: var(--radius-pill); cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.faq-tabs button:hover { border-color: var(--color-primary); color: var(--color-primary); }
.faq-tabs button.is-active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.faq-panel { display: none; max-width: 860px; margin: 0 auto; }
.faq-panel.is-active { display: block; }
.faq-group + .faq-group { margin-top: 36px; }
.faq-group-title {
  font-size: 14px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
  color: var(--color-primary); margin-bottom: 14px;
}
.faq-item {
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: #fff; margin-bottom: 12px; overflow: hidden;
}
.faq-item[open] { box-shadow: var(--shadow-sm); }
.faq-item summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px 22px; font-size: 16px; font-weight: 700; color: var(--color-text);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: ""; flex-shrink: 0;
  width: 11px; height: 11px;
  border-right: 2px solid var(--color-text-muted); border-bottom: 2px solid var(--color-text-muted);
  transform: rotate(45deg); transition: transform .25s ease;
}
.faq-item[open] summary::after { transform: rotate(-135deg); }
.faq-item summary:hover { color: var(--color-primary); }
.faq-answer { padding: 0 22px 20px; border-top: 1px solid var(--color-bg-tint); }
.faq-answer > *:first-child { margin-top: 16px; }
.faq-answer p { font-size: 15px; line-height: 1.8; color: var(--color-text-soft); margin: 0 0 12px; }
.faq-answer ul, .faq-answer ol { margin: 0 0 12px; padding-left: 4px; }
.faq-answer li { position: relative; font-size: 15px; line-height: 1.75; color: var(--color-text-soft); padding-left: 26px; margin-bottom: 8px; }
.faq-answer ul li::before { content: ""; position: absolute; left: 4px; top: 10px; width: 7px; height: 7px; border-radius: 50%; background: var(--color-primary); }
.faq-answer ol { counter-reset: faq-ol; }
.faq-answer ol li { counter-increment: faq-ol; }
.faq-answer ol li::before { content: counter(faq-ol); position: absolute; left: 0; top: 1px; width: 20px; height: 20px; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 800; color: #fff; background: var(--color-primary); border-radius: 50%; }
.faq-answer strong { color: var(--color-text); font-weight: 700; }
.faq-answer a { color: var(--color-primary); font-weight: 600; }
.faq-answer a:hover { text-decoration: underline; }
.faq-answer em { color: var(--color-text); font-style: normal; background: var(--color-bg-tint); padding: 1px 6px; border-radius: 5px; }
.faq-answer code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; background: var(--color-bg-tint); padding: 2px 6px; border-radius: 5px; word-break: break-all; }
.faq-answer blockquote { border-left: 4px solid var(--color-primary); background: var(--color-bg-tint); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; padding: 12px 18px; margin: 0 0 14px; }
.faq-answer blockquote p { margin: 0; color: var(--color-text); }
.faq-noresult { text-align: center; color: var(--color-text-muted); padding: 40px 0; display: none; }

/* 主题库 themes */
.th-toolbar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; align-items: center; margin-bottom: 36px; }
.th-toolbar .th-count { color: var(--color-text-muted); font-size: 14px; margin-right: auto; }
.th-sort { display: flex; gap: 8px; }
.th-sort button {
  border: 1px solid var(--color-border); background: #fff;
  font-family: inherit; font-size: 13px; font-weight: 700; color: var(--color-text-soft);
  padding: 8px 16px; border-radius: var(--radius-pill); cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.th-sort button:hover { border-color: var(--color-primary); color: var(--color-primary); }
.th-sort button.is-active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.th-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; list-style: none; padding: 0; margin: 0; }
.th-card {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--color-border);
  border-radius: var(--radius-md); overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.th-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.th-thumb { aspect-ratio: 16/10; overflow: hidden; background: var(--color-bg-tint); }
.th-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: top center; display: block; }
.th-body { padding: 16px 18px 18px; display: flex; flex-direction: column; flex: 1; }
.th-name { font-size: 16px; font-weight: 800; color: var(--color-text); line-height: 1.4; }
.th-author { font-size: 13px; color: var(--color-text-muted); margin-top: 4px; }
.th-author b { color: var(--color-text-soft); font-weight: 700; }
.th-meta { display: flex; align-items: center; justify-content: space-between; margin-top: 14px; gap: 10px; }
.th-stat { font-size: 12px; color: var(--color-text-muted); line-height: 1.5; }
.th-dl {
  flex-shrink: 0; display: inline-flex; align-items: center; gap: 6px;
  background: var(--color-secondary); color: #fff;
  font-size: 13px; font-weight: 700; padding: 9px 16px; border-radius: var(--radius-pill);
  transition: filter .2s ease;
}
.th-dl:hover { filter: brightness(.93); }
.th-dl svg { width: 15px; height: 15px; }

/* 移动版截图展示 */
.ms-shots {
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
}
.ms-shots img {
  width: 200px;
  max-width: 44vw;
  border-radius: 22px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

/* 视频灯箱 */
.tut-lightbox {
  position: fixed; inset: 0; z-index: 200;
  display: none; align-items: center; justify-content: center;
  background: rgba(15,23,42,.82);
  padding: 24px;
}
.tut-lightbox.is-open { display: flex; }
.tut-lightbox video { width: min(960px, 100%); max-height: 82vh; border-radius: var(--radius-md); background: #000; box-shadow: var(--shadow-lg); }
.tut-lightbox-close {
  position: absolute; top: 22px; right: 26px;
  width: 44px; height: 44px;
  border: none; border-radius: 50%;
  background: rgba(255,255,255,.15); color: #fff;
  font-size: 26px; line-height: 1; cursor: pointer;
}
.tut-lightbox-close:hover { background: rgba(255,255,255,.28); }

/* =========================================================
   内页通用：长文 prose（说明/指南类页面复用）
   ========================================================= */
.prose { max-width: 820px; margin: 0 auto; }
.prose h2 {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 800;
  line-height: 1.35;
  margin: 48px 0 16px;
  scroll-margin-top: 90px;
}
.prose h2:first-child { margin-top: 0; }
.prose h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 32px 0 12px;
  color: var(--color-text);
}
.prose h3::before {
  content: "";
  display: inline-block;
  width: 8px; height: 8px;
  margin-right: 10px;
  border-radius: 3px;
  background: var(--color-primary);
  vertical-align: middle;
}
.prose p { font-size: 17px; line-height: 1.85; color: var(--color-text-soft); margin: 0 0 16px; }
.prose ul, .prose ol { margin: 0 0 18px; padding-left: 4px; }
.prose ul li, .prose ol li {
  position: relative;
  font-size: 17px; line-height: 1.8; color: var(--color-text-soft);
  padding-left: 28px; margin-bottom: 10px;
}
.prose ul li::before {
  content: "";
  position: absolute; left: 4px; top: 12px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
}
.prose ol { counter-reset: prose-ol; }
.prose ol li { counter-increment: prose-ol; }
.prose ol li::before {
  content: counter(prose-ol);
  position: absolute; left: 0; top: 2px;
  width: 22px; height: 22px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 800;
  color: #fff; background: var(--color-primary);
  border-radius: 50%;
}
.prose strong { color: var(--color-text); font-weight: 700; }
.prose a { color: var(--color-primary); font-weight: 600; }
.prose a:hover { text-decoration: underline; }
.prose em { color: var(--color-text); font-style: normal; background: var(--color-bg-tint); padding: 1px 6px; border-radius: 5px; }
.prose figure { margin: 28px 0; text-align: center; }
.prose figure img { display: block; margin: 0 auto; max-width: 100%; height: auto; border-radius: var(--radius-md); box-shadow: var(--shadow-md); }
.prose figcaption { margin-top: 12px; font-size: 14px; color: var(--color-text-muted); }
.prose-tip {
  border-left: 4px solid var(--color-primary);
  background: var(--color-bg-tint);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 16px 20px;
  margin: 24px 0;
}
.prose-tip p { margin: 0; color: var(--color-text); }

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .tr-logos .tr-logo { flex-basis: calc((100% - 48px) / 4); }
  .basics-nav { grid-template-columns: repeat(3, 1fr); }
  .sync-list { grid-template-columns: repeat(2, 1fr); }
  .svc-grid { grid-template-columns: repeat(3, 1fr); }
  .tut-grid { grid-template-columns: repeat(2, 1fr); }
  .th-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .pf-inner { grid-template-columns: 1fr; gap: 40px; }
  .pf-intro .section-title { text-align: center; }
  .pf-intro-desc { max-width: none; text-align: center; }
  .pf-intro .section-tag { display: block; width: fit-content; margin: 0 auto; }
  .pf-intro-tags { justify-content: center; }
}

@media (max-width: 860px) {
  .nav-menu, .nav-actions { display: none; }
  .nav-toggle { display: block; }
  .section { padding: 64px 0; }
  .hero { padding: 80px 0 120px; }
  .ov-inner, .cp-inner { grid-template-columns: 1fr; gap: 36px; }
  .ov-media { order: -1; }
  .page-hero { padding: 56px 0 48px; }
  .media-row { grid-template-columns: 1fr; gap: 32px; }
  .media-row + .media-row { margin-top: 48px; }
  .media-row--reverse .media-row-text { order: 0; }
  .media-row-media { order: -1; }
  .basics-nav { grid-template-columns: repeat(2, 1fr); }
  .sync-list { grid-template-columns: 1fr; }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .tut-grid { grid-template-columns: 1fr; }
  .th-grid { grid-template-columns: 1fr; }
  .step { grid-template-columns: 44px 1fr; gap: 16px; }
  .step-num { width: 44px; height: 44px; font-size: 18px; }
  .cp-copy { text-align: center; }
  .cp-copy .section-title, .cp-copy .section-desc { text-align: center !important; }
  .cp-copy .section-tag { display: block; width: fit-content; margin: 0 auto 18px; }
  .hero-stat-num { font-size: 28px; }
  .footer-top { gap: 32px; }
  .teams { padding: 48px 28px; }
  .teams-inner { grid-template-columns: 1fr; gap: 36px; text-align: center; }
  .teams-copy { text-align: center; }
  .teams-tag { margin-left: auto; margin-right: auto; }
  .teams-benefits li { justify-content: center; }
  .teams-actions { justify-content: center; }
  .teams-stats { flex-direction: row; flex-wrap: wrap; justify-content: center; }
  .teams-stat { flex: 1 1 160px; }
}

@media (max-width: 560px) {
  .pf-grid, .feature-grid { grid-template-columns: 1fr; }
  .tr-logos .tr-logo { flex-basis: calc((100% - 16px) / 2); }
  .basics-nav { grid-template-columns: 1fr; }
  .container { padding: 0 18px; }
  .hero-actions { width: 100%; }
  .hero-actions .btn { flex: 1; }

  /* 英雄区数据指标：2×2 网格，隐藏竖线 */
  .hero-stats {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 12px;
  }
  .hero-stat-divider { display: none; }
  .hero-stat-num { font-size: 26px; }

  /* 兼容性服务卡单列 */
  .cp-grid { grid-template-columns: 1fr; }
  .cp-card--more { flex-direction: row; }

  .teams { padding: 40px 20px; }
  .teams-stats { flex-direction: column; }
  .teams-stat { flex: 1 1 auto; padding: 18px 22px; }
  .teams-actions { flex-direction: column; }
  .teams-actions .btn { width: 100%; }

  /* 页脚联系卡片全宽 */
  .footer-contact { width: 100%; }
}