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

:root {
  --bg: #000;
  --nav-bg: rgba(18, 18, 20, .92);
  --blue: #1f5fbf;
  --blue-hover: #1a51a3;
  --text: #f2f3f5;
  --text-dim: #a8adb5;
  --orange: #ff8f1f;
  --green: #3ecf6e;
  --footer-bg: #16181c;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

.container { width: min(1200px, 92%); margin: 0 auto; }

/* ============ 导航 ============ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}

.nav-inner {
  width: min(1280px, 94%);
  margin: 0 auto;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-logo img { height: 30px; width: auto; }

.nav-menu {
  display: flex;
  align-items: center;
  flex: 1;
  justify-content: space-evenly;
}

.nav-item { position: relative; }

.nav-link {
  display: block;
  padding: 0 10px;
  line-height: 56px;
  font-size: 14px;
  color: #e8eaed;
  white-space: nowrap;
  transition: color .2s;
}

.nav-link:hover { color: #fff; }

.nav-link.active {
  color: #fff;
  position: relative;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 10px; right: 10px; bottom: 6px;
  height: 2px;
  border-radius: 2px;
  background: var(--blue);
}

/* 移动端汉堡按钮 */
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 6px;
}

.nav-burger span {
  width: 22px; height: 2px;
  background: #fff;
  border-radius: 2px;
}

/* ============ 通用横幅区块 ============ */
section { scroll-margin-top: 56px; }

.hero {
  padding: 110px 24px 90px;
  text-align: center;
  overflow: hidden;
}

.hero-icon {
  width: 76px; height: 76px;
  margin: 0 auto 28px;
  border-radius: 17px;
  box-shadow: 0 12px 34px rgba(0, 0, 0, .55);
}

.hero-title {
  font-size: clamp(30px, 4.4vw, 52px);
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 22px;
  color: #fff;
}

/* 渐变标题 */
.grad-trackpad { background: linear-gradient(92deg, #ffb43d 5%, #ff5f5f 55%, #ff4d94 95%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.grad-ikeys    { background: linear-gradient(92deg, #7fa8ff 10%, #a88cff 60%, #7fd0ff 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.grad-mouse    { background: linear-gradient(92deg, #ff9a3d, #ff6a2f); -webkit-background-clip: text; background-clip: text; color: transparent; }
.txt-green     { color: var(--green); }

.hero-sub {
  font-size: clamp(16px, 1.8vw, 21px);
  color: #e6e8eb;
  margin-bottom: 56px;
}

.hero-shot {
  width: min(1120px, 100%);
  margin: 0 auto 48px;
}

.shot-sm { width: min(780px, 100%); }

.hero-desc {
  max-width: 860px;
  margin: 0 auto 34px;
  font-size: 17px;
  color: #dcdfe3;
}

.hero-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 22px;
  margin-bottom: 18px;
}

.btn-primary {
  display: inline-block;
  min-width: 128px;
  padding: 12px 40px;
  border-radius: 26px;
  background: var(--blue);
  color: #fff;
  font-size: 16px;
  transition: all .2s;
}

.btn-primary:hover { background: var(--blue-hover); transform: translateY(-1px); }
.btn-ghost { background: rgba(255, 255, 255, .12); }
.btn-ghost:hover { background: rgba(255, 255, 255, .2); }

/* ============ 下载版本面板(产品详情页 #download) ============
   10-12 boss 给参考稿重做:面板内每枚卡=平台徽章 + 版本号 + 变体名 + 说明 + 系统要求(含体积) + 主按钮/复制链接。
   两平台一律常显,js/main.js 只给本机卡点亮「本机已识别」徽章——强调可以,隐藏不行。 */

/* 下载面板紧跟 hero,收掉原来那段空白(90px 底距 + 截图 48px 下边距 + 重复的「了解会员」链接) */
.page-product .hero { padding-bottom: 40px; }
.page-product .hero-shot { margin-bottom: 24px; }

.dl-section { padding: 64px 0 10px; }

.dl-title { font-size: 30px; font-weight: 700; letter-spacing: -.01em; }

.dl-sub { margin-top: 10px; max-width: 760px; font-size: 15px; color: var(--text-dim); }

.dl-panel {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
  gap: 18px;
  padding: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .018));
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 24px;
}

/* 只有 Windows 一枚包时面板收到单卡宽,否则按钮被拉到 1160px 像一条横幅 */
.dl-panel.is-single { width: min(660px, 100%); grid-template-columns: minmax(0, 1fr); }

.dl-card {
  display: flex;
  flex-direction: column;
  padding: 26px;
  background: rgba(9, 10, 13, .55);
  border: 1px solid rgba(255, 255, 255, .09);
  border-radius: 18px;
  transition: border-color .2s, background .2s, transform .2s;
}

.dl-card:hover { border-color: rgba(31, 95, 191, .65); transform: translateY(-3px); }
.dl-card.is-current { border-color: var(--blue); background: rgba(31, 95, 191, .09); }

.dl-card-head { display: flex; align-items: center; gap: 10px; }
.dl-card-os { padding: 3px 12px; border-radius: 999px; background: rgba(255, 255, 255, .1); font-size: 14px; font-weight: 600; }
.dl-card-ver { font-size: 13px; color: var(--text-dim); }
.dl-card-tags { margin-left: auto; display: flex; gap: 8px; }

.dl-tag {
  padding: 3px 10px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 999px;
  color: var(--text-dim);
  font-size: 11.5px;
  white-space: nowrap;
}

.dl-tag[hidden] { display: none; }
.dl-tag-lead { border-color: rgba(62, 207, 110, .38); color: var(--green); }
.dl-tag-detect { border-color: rgba(31, 95, 191, .7); background: rgba(31, 95, 191, .2); color: #d6e5ff; }

.dl-card-name { margin-top: 20px; font-size: 24px; font-weight: 700; }
.dl-card-desc { margin-top: 10px; min-height: 52px; font-size: 14px; line-height: 1.8; color: #c9ced6; }

.dl-card-spec {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed rgba(255, 255, 255, .12);
  font-size: 13px;
  color: var(--text-dim);
}

.dl-card-actions { margin-top: 18px; display: flex; flex-direction: column; gap: 10px; }

.dl-btn {
  width: 100%;
  padding: 13px 18px;
  border: 0;
  border-radius: 12px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: background .18s, border-color .18s;
}

.dl-btn-lead { background: var(--blue); color: #fff; }
.dl-btn-lead:hover { background: var(--blue-hover); }
.dl-btn-quiet { background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .13); color: var(--text); }
.dl-btn-quiet:hover { background: rgba(255, 255, 255, .16); }

.dl-note { margin-top: 22px; font-size: 13.5px; color: var(--text-dim); }
.dl-note-link { margin-left: 8px; color: var(--blue); font-weight: 600; }
.dl-note-link:hover { color: var(--blue-hover); }

@media (max-width: 720px) {
  .dl-section { padding-top: 52px; }
  .dl-title { font-size: 24px; }
  .dl-panel { padding: 14px; gap: 14px; border-radius: 20px; }
  .dl-card { padding: 20px; }
  .dl-card-desc { min-height: 0; }
  .dl-card-head { flex-wrap: wrap; }
  .dl-card-tags { margin-left: 0; width: 100%; }
}

.hero-chip {
  font-size: 13px;
  color: var(--text-dim);
}

.hero-links {
  margin-top: 30px;
  display: flex;
  justify-content: center;
  gap: 56px;
}

.hero-more {
  display: inline-block;
  margin-top: 30px;
  color: var(--blue);
  font-size: 15px;
}

.hero-more:hover { color: var(--blue-hover); }

/* 产品详情页的返回链接独立成行 */
.hero-more.product-back { display: block; }

/* 名称行内的链接（如“脚本交流区”） */
.hero-more.row-link { margin-top: 0; font-size: 15px; }

/* 下拉菜单里的小缩略图 */
.dropdown a img.dd-thumb { width: 22px; height: 22px; border-radius: 5px; object-fit: cover; }

/* 图标 + 产品名 行 */
.hero-name-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 20px;
}

.hero-icon-sm {
  width: 60px; height: 60px;
  border-radius: 14px;
  box-shadow: 0 10px 26px rgba(0, 0, 0, .5);
}

.hero-name {
  font-size: clamp(30px, 3.6vw, 44px);
  font-weight: 700;
  color: #fff;
}

.hero-name.lg { font-size: clamp(26px, 3vw, 36px); }

.badge-new {
  color: var(--orange);
  font-size: 16px;
  font-weight: 600;
}

.hero-slogan {
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 600;
  color: #fff;
  margin-bottom: 46px;
}

.hero .hero-name-row + .hero-slogan { margin-top: 4px; }
.hero .hero-desc + .hero-name-row,
.hero .hero-shot + .hero-name-row { margin-top: 10px; }

/* ============ 左右分栏区块 ============ */
.split {
  display: flex;
  align-items: center;
  gap: 48px;
  width: min(1280px, 96%);
  margin: 0 auto;
  padding: 100px 0;
}

.split.reverse { flex-direction: row-reverse; }

.split-img { flex: 1.15; min-width: 0; }
.split-img img { width: 100%; }

.split-text { flex: 1; min-width: 0; }

.split-title {
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.split-slogan {
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 600;
  color: #fff;
  margin-bottom: 24px;
}

.split-desc {
  font-size: 16px;
  color: #cfd3d8;
  margin-bottom: 34px;
}

.split-actions {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-bottom: 12px;
}

.badge-appstore { height: 46px; width: auto; }

.split .hero-more { display: block; margin-top: 26px; }
.split .hero-chip { margin-bottom: 6px; }

/* ============ 关于我们 ============ */
.about { padding: 90px 20px 110px; }

.about-card {
  width: min(1100px, 100%);
  margin: 0 auto;
  background: #f5f6f8;
  color: #222;
  border-radius: 36px;
  padding: 70px 60px 60px;
  text-align: center;
}

.about-logo { width: 130px; margin: 0 auto 18px; }

.about-name {
  font-size: 34px;
  color: #1a1a1a;
  margin-bottom: 10px;
}

.about-slogan {
  font-size: 17px;
  color: #555;
  margin-bottom: 46px;
}

.about-qr img {
  width: 148px;
  margin: 0 auto 12px;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .12);
}

.about-qr p { font-size: 14px; color: #777; }

/* ============ 会员定价 ============ */
.pricing { padding: 100px 20px 90px; text-align: center; }

.pricing-title {
  font-size: clamp(28px, 3.4vw, 42px);
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}

.pricing-sub {
  font-size: clamp(15px, 1.6vw, 18px);
  color: var(--text-dim);
  margin-bottom: 56px;
}

.pricing-grid {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 26px;
}

.price-card {
  position: relative;
  width: 300px;
  background: var(--footer-bg);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 24px;
  padding: 40px 32px 36px;
}

.price-card.featured {
  border-color: var(--blue);
  box-shadow: 0 14px 44px rgba(62, 123, 250, .22);
}

.price-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--blue);
  color: #fff;
  font-size: 12px;
  line-height: 1;
  padding: 5px 14px;
  border-radius: 12px;
  white-space: nowrap;
}

.price-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 18px;
}

.price-line {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}

.price-now {
  font-size: 46px;
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
}

.price-period { font-size: 16px; color: var(--text-dim); }

.price-was {
  margin-top: 10px;
  font-size: 14px;
  color: var(--text-dim);
}

.price-was s { color: #6b7076; }

.price-equiv {
  margin-top: 4px;
  font-size: 13px;
  color: var(--green);
}

.price-btn { margin-top: 28px; min-width: 160px; }

.pricing-feats {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px 40px;
  margin-top: 46px;
}

.pricing-feats li {
  font-size: 14px;
  color: #cfd3d8;
}

.pricing-feats li::before {
  content: "✓";
  color: var(--green);
  margin-right: 8px;
}

.pricing-note {
  max-width: 640px;
  margin: 28px auto 0;
  font-size: 12.5px;
  color: #6b7076;
  line-height: 1.8;
}

@media (max-width: 900px) {
  .pricing { padding: 80px 20px 70px; }
  .price-card { width: min(340px, 100%); }
  .pricing-feats { flex-direction: column; gap: 12px; }
}

/* ============ 页脚 ============ */
.footer {
  background: var(--footer-bg);
  padding: 64px 0 0;
  border-top: 1px solid rgba(255, 255, 255, .05);
}

.footer-inner {
  width: min(1200px, 92%);
  margin: 0 auto;
  display: grid;
  /* 品牌区 + Products/Resources/Company/Legal 四列 */
  grid-template-columns: 1.7fr 1fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand { padding-right: 28px; }
.footer-logo { height: 26px; width: auto; display: block; margin-bottom: 16px; }
.footer-blurb { font-size: 13px; line-height: 1.75; color: #8d939c; max-width: 250px; }

.footer h4 {
  font-size: 15px;
  color: #e2e5e9;
  margin-bottom: 20px;
  font-weight: 600;
}

.footer h4.mt { margin-top: 34px; }

.footer-col ul { list-style: none; }

.footer-col li { margin-bottom: 13px; break-inside: avoid; }

.footer-col a {
  font-size: 13px;
  color: #8d939c;
  transition: color .2s;
}

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

.footer-beian {
  margin-top: 46px;
  padding: 20px 0 24px;
  text-align: center;
  font-size: 12px;
  color: #6b7076;
}

.footer-beian a { color: #6b7076; }
.footer-beian a:hover { color: #a8adb5; }
.footer-beian .sep { margin: 0 12px; }
.footer-beian .beian-icon { font-size: 13px; margin-right: 6px; }
.footer-beian .beian-support { color: #6b7076; }
.footer-beian .footer-entity { display: block; margin-bottom: 8px; }

.footer-beian .ipv6 {
  display: inline-block;
  padding: 0 5px;
  border: 1px solid #6b7076;
  border-radius: 8px;
  font-size: 10px;
  line-height: 14px;
}

/* ============ 产品中心页 ============ */
.apps-banner {
  background: #000;
  padding: 56px 0 40px;
  overflow: hidden;
}

.apps-banner-inner {
  width: min(1240px, 94%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 40px;
}

.banner-text { flex: 1; min-width: 0; }

.banner-title-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.banner-icon { width: 46px; height: 46px; border-radius: 11px; }

.banner-title-row h2 {
  font-size: clamp(22px, 2.4vw, 30px);
  color: #fff;
  font-weight: 700;
}

.banner-sub {
  color: #cfd3d8;
  font-size: 15px;
  margin-bottom: 26px;
}

.banner-btns {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-bottom: 20px;
}

.btn-sm { min-width: 96px; padding: 9px 30px; font-size: 15px; }
.banner-btns .badge-appstore { height: 40px; }

.banner-more { color: var(--blue); font-size: 14px; }
.banner-more:hover { color: var(--blue-hover); }

.banner-img { flex: 1.2; min-width: 0; }
.banner-img img { width: 100%; }

.banner-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 26px;
}

.banner-dots span {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .28);
}

.banner-dots span.on { background: #fff; }

.apps-grid-wrap {
  background: #f4f5f7;
  padding: 40px 0 56px;
}

.apps-grid {
  width: min(1240px, 94%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.app-card {
  background: #fff;
  border-radius: 10px;
  padding: 26px 28px;
  display: flex;
  align-items: center;
  gap: 18px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .04);
  transition: box-shadow .2s, transform .2s;
}

.app-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, .1);
  transform: translateY(-2px);
}

.app-icon {
  width: 68px; height: 68px;
  border-radius: 15px;
  flex-shrink: 0;
}

.app-info { flex: 1; min-width: 0; }

.app-info h3 {
  font-size: 17px;
  color: #222;
  margin-bottom: 6px;
}

.app-info p {
  font-size: 13px;
  color: #8a8f96;
  line-height: 1.5;
}

.app-actions {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.app-btn {
  display: inline-block;
  padding: 7px 22px;
  border-radius: 17px;
  font-size: 13px;
  color: #fff;
  white-space: nowrap;
  transition: opacity .2s;
}

.app-btn:hover { opacity: .85; }
.app-btn.free { background: #2fbf56; }
.app-btn.dl { background: var(--blue); }

.app-more { font-size: 12px; color: var(--blue); }
.app-more:hover { color: var(--blue-hover); }

.app-partner { font-size: 12px; color: var(--orange); }

.footer-right { text-align: left; }
.footer-right ul.plain { columns: 1; }

.footer-qr { margin-top: 26px; }
.footer-qr img { width: 110px; border-radius: 8px; margin-bottom: 8px; }
.footer-qr p { font-size: 12px; color: #8d939c; }

@media (max-width: 900px) {
  .apps-banner-inner { flex-direction: column; text-align: center; }
  .banner-title-row { justify-content: center; }
  .banner-btns { justify-content: center; }
  .apps-grid { grid-template-columns: 1fr; }
}

/* ============ 视频教学页 ============ */
.page-tv { background: #fff; }

.tv-main { padding-top: 56px; }

.tv-title {
  text-align: center;
  color: #2b7bf5;
  font-size: clamp(24px, 2.8vw, 34px);
  padding: 64px 20px 60px;
  font-weight: 700;
}

.tv-grid {
  width: min(1230px, 92%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px 40px;
}

.tv-card {
  display: block;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 18px rgba(0, 0, 0, .1);
  transition: transform .2s, box-shadow .2s;
}

.tv-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, .16);
}

.tv-card img { width: 100%; }

.tv-spacer { height: 820px; }

/* ============ 用户支持页 ============ */
.page-support { background: #fff; }

.support-main { padding-top: 56px; }

.support-title {
  text-align: center;
  color: #333;
  font-size: 20px;
  font-weight: 700;
  padding: 96px 20px 0;
}

.support-note {
  text-align: center;
  color: #e64340;
  font-size: 14px;
  padding: 14px 20px 60px;
}

.support-form {
  width: min(660px, 92%);
  margin: 0 auto;
}

.form-row { margin-bottom: 26px; }

.form-label {
  display: block;
  font-size: 14px;
  color: #333;
  margin-bottom: 12px;
}

.form-control { display: flex; align-items: center; gap: 12px; }

.form-select,
.form-input {
  height: 36px;
  border: 1px solid #ccc;
  border-radius: 3px;
  padding: 0 10px;
  font-size: 14px;
  color: #555;
  background: #fff;
  outline: none;
}

.form-select { width: 307px; max-width: 100%; }
.form-input { width: 127px; }
.form-select:focus, .form-input:focus { border-color: var(--blue); }

.form-req { color: #e64340; font-size: 15px; }

.captcha-row .captcha-img { border: 1px solid #ddd; }

.captcha-refresh { font-size: 14px; color: #333; }
.captcha-refresh:hover { color: var(--blue); }

.form-spacer { height: 560px; }
.form-spacer-sm { height: 120px; }

.form-tips {
  font-size: 14px;
  color: #e64340;
  line-height: 1.9;
}

.form-tips a { color: #4a90d9; }
.form-tips a:hover { text-decoration: underline; }

.form-submit-row {
  text-align: center;
  margin: 8px 0 72px;
}

.form-submit {
  width: 122px;
  height: 38px;
  border: 0;
  border-radius: 4px;
  background: #57a3f3;
  color: #fff;
  font-size: 15px;
  cursor: pointer;
  transition: background .2s;
}

.form-submit:hover { background: #4098f0; }

/* ============ QQ群页 ============ */
.qq-hero {
  margin-top: 56px;
  min-height: calc(100vh - 56px);
  background: url('../assets/img/qq-bg.jpg') center / cover no-repeat;
  display: flex;
  align-items: center;
}

.qq-hero-content {
  width: min(1240px, 90%);
  margin: 0 auto;
  color: #fff;
  padding: 60px 0;
}

.qq-title {
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 700;
  margin-bottom: 44px;
}

.qq-row {
  display: flex;
  align-items: baseline;
  gap: 40px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.qq-group { font-size: clamp(18px, 2vw, 24px); font-weight: 700; }
.qq-note { font-size: 15px; }

.qq-tip { font-size: 15px; margin-bottom: 60px; }

.qq-btn { min-width: 140px; }

/* ============ Mac精选页 ============ */
.page-mac137 { background: #f4f5f7; }

.mac137-main { padding-top: 56px; }

.mac137-title {
  text-align: center;
  color: #222;
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 700;
  padding: 72px 20px 40px;
}

.mac137-recommend {
  text-align: center;
  margin-bottom: 56px;
}

.mac137-card {
  width: min(1060px, 92%);
  margin: 0 auto 90px;
  background: #fff;
  border-radius: 8px;
  padding: 34px 34px 60px;
}

.mac137-tabs { display: flex; gap: 22px; margin-bottom: 56px; }

.mac137-tab {
  padding: 9px 22px;
  font-size: 14px;
  border: 1px solid #d9d9d9;
  border-radius: 4px;
  background: #fff;
  color: #555;
  cursor: pointer;
  transition: all .2s;
}

.mac137-tab:hover { color: var(--blue); border-color: var(--blue); }

.mac137-tab.active {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

.mac137-panel { display: none; }
.mac137-panel.active { display: block; }

.mac137-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 44px 36px;
}

.mac137-item { display: block; }

.mac137-item img {
  width: 100%;
  aspect-ratio: 253 / 140;
  object-fit: cover;
  border-radius: 2px;
  margin-bottom: 14px;
}

.mac137-item p {
  font-size: 14px;
  color: #333;
  line-height: 1.5;
}

.mac137-item:hover p { color: var(--blue); }

@media (max-width: 900px) {
  .tv-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .tv-spacer { height: 200px; }
  .form-spacer { height: 120px; }
  .mac137-grid { grid-template-columns: repeat(2, 1fr); gap: 28px 20px; }
}

/* ============ 滚动显现动画 ============ */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity .7s ease, transform .7s ease;
}

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

/* ============ 响应式 ============ */
@media (max-width: 900px) {
  .nav-menu {
    position: fixed;
    top: 56px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(20, 20, 22, .98);
    padding: 10px 0 16px;
    display: none;
  }

  .nav-menu.open { display: flex; }
  .nav-link { line-height: 46px; padding: 0 24px; }
  .nav-link.active::after { display: none; }

  .nav-burger { display: flex; margin-left: auto; }

  .split, .split.reverse {
    flex-direction: column;
    padding: 70px 20px;
  }

  .footer-inner { grid-template-columns: repeat(2, 1fr); gap: 36px; }
  .footer-brand { grid-column: 1 / -1; padding-right: 0; }
  .footer-blurb { max-width: none; }
}

/* ============ 404 页面 ============ */
.notfound {
  padding: 140px 24px 180px;
  text-align: center;
}

.nf-code {
  font-size: clamp(72px, 10vw, 120px);
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(92deg, #7fa8ff, #a88cff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nf-title {
  font-size: clamp(20px, 2.4vw, 28px);
  color: #fff;
  margin: 26px 0 12px;
}

.nf-desc {
  color: var(--text-dim);
  font-size: 15px;
  margin-bottom: 40px;
}

.nf-actions {
  display: flex;
  justify-content: center;
  gap: 20px;
}

/* ============ 法律文档页（服务条款/隐私政策/退款政策） ============ */
.legal { padding: 120px 0 80px; }

.legal-inner {
  width: min(860px, 92%);
  margin: 0 auto;
}

.legal-title {
  font-size: clamp(26px, 3vw, 34px);
  color: #fff;
  font-weight: 700;
}

.legal-title-en {
  font-size: .6em;
  color: var(--text-dim);
  font-weight: 400;
  margin-left: 10px;
}

.legal-updated {
  color: var(--text-dim);
  font-size: 13px;
  margin: 14px 0 24px;
}

.legal-toc {
  display: flex;
  gap: 18px;
  margin-bottom: 40px;
}

.legal-toc a {
  color: var(--blue);
  font-size: 14px;
}

.legal-toc a:hover { color: var(--blue-hover); }

.legal-lang { margin-bottom: 56px; }

.legal-lang-title {
  font-size: 20px;
  color: #fff;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  margin-bottom: 24px;
}

.legal-sec { margin-bottom: 26px; }

.legal-sec h3 {
  font-size: 16px;
  color: #e2e5e9;
  margin-bottom: 10px;
  font-weight: 600;
}

.legal-sec p {
  color: var(--text-dim);
  font-size: 14.5px;
  margin-bottom: 8px;
}

@media (max-width: 768px) {
  .legal { padding-top: 96px; }
  .footer-beian { line-height: 2; }
}

/* ============ 语言切换(五语:当前语种 <b> 加粗不可点,其余为链接) ============ */
.nav-lang {
  flex-shrink: 0;
  height: 26px;
  gap: 9px;
  padding: 0 12px;
  margin-left: 8px;
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 13px;
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1;
  transition: color .2s, border-color .2s;
}

.nav-lang a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color .2s;
}

.nav-lang a:hover {
  color: #fff;
}

.nav-lang b {
  color: #fff;
  font-weight: 600;
}

.nav-lang:hover {
  border-color: var(--blue);
}

@media (max-width: 900px) {
  .nav-lang { margin-left: auto; }
  .nav-burger { margin-left: 0; }
}

/* ============ 导航登录态(js/auth.js 渲染) ============ */
.nav-auth {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  margin-left: 8px;
}

.nav-auth .nav-auth-link {
  display: block;
  padding: 0 10px;
  line-height: 56px;
  font-size: 14px;
  color: #e8eaed;
  white-space: nowrap;
}

.nav-auth .nav-auth-link:hover { color: #fff; }

.nav-auth .nav-auth-btn {
  display: inline-block;
  padding: 7px 18px;
  border-radius: 17px;
  background: var(--blue);
  color: #fff;
  font-size: 13px;
  white-space: nowrap;
  transition: background .2s;
}

.nav-auth .nav-auth-btn:hover { background: var(--blue-hover); }

/* ============ 会员定价页(/pricing/) ============ */
.pricing-full { padding-top: 140px; }

.pricing-full .price-btn {
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.pricing-full .price-btn:disabled {
  opacity: .5;
  cursor: not-allowed;
  transform: none;
}

.pricing-status {
  min-height: 22px;
  margin-top: 18px;
  font-size: 14px;
  color: var(--text-dim);
}

.pricing-status.err { color: var(--orange); }

/* ============ 登录回调页(/auth/callback/) ============ */
.auth-callback {
  padding: 160px 20px 120px;
  text-align: center;
}

.auth-card {
  display: inline-block;
  min-width: min(420px, 90%);
  padding: 48px 40px;
  border-radius: 16px;
  background: var(--footer-bg);
  border: 1px solid rgba(255, 255, 255, .08);
}

.auth-card h2 { font-size: 24px; margin-bottom: 12px; }

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

.auth-actions { margin-top: 28px; }

.grad-easy-image { background: linear-gradient(92deg, #4d8dff 5%, #7b5bff 55%, #b44dff 95%); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ============ 首页产品列表 ============ */
.home-products { padding: 60px 20px 30px; text-align: center; }

.home-product-grid {
  width: min(1000px, 94%);
  margin: 36px auto 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 18px;
}

.home-product-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 20px;
  border-radius: 14px;
  background: var(--footer-bg);
  border: 1px solid rgba(255, 255, 255, .08);
  text-align: left;
  transition: transform .2s, border-color .2s;
}

.home-product-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, .22);
}

.hp-icon { width: 52px; height: 52px; border-radius: 12px; flex-shrink: 0; }

.hp-info { flex: 1; min-width: 0; }

.hp-info h3 { font-size: 17px; margin-bottom: 4px; }

.hp-info p { font-size: 13px; color: var(--text-dim); }

.hp-cta {
  flex-shrink: 0;
  font-size: 12.5px;
  color: var(--blue);
  white-space: nowrap;
}

.grad-easyscreenshot { background: linear-gradient(92deg, #3ecf8e 5%, #3eb8cf 55%, #4d7dff 95%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.grad-easyclipboard { background: linear-gradient(92deg, #ff5f8f 5%, #b44dff 55%, #4d7dff 95%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.grad-easyflow { background: linear-gradient(92deg, #f6b23f 5%, #ff8f3d 55%, #ff5f5f 95%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.grad-easydisk { background: linear-gradient(92deg, #4f8dff 5%, #1f5fbf 55%, #6a5bff 95%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.grad-easy-explorer { background: linear-gradient(92deg, #1f5fbf 5%, #2f9bff 55%, #3ed0c8 95%); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ============ 支持表单补充(新版字段) ============ */
.form-input-wide { width: 100%; max-width: 100%; }

.form-textarea {
  width: 100%;
  max-width: 100%;
  min-height: 170px;
  border: 1px solid #ccc;
  border-radius: 3px;
  padding: 8px 10px;
  font-size: 14px;
  color: #555;
  background: #fff;
  outline: none;
  resize: vertical;
  font-family: inherit;
}

.form-textarea:focus { border-color: var(--blue); }

.form-error {
  color: #e64340;
  font-size: 14px;
  margin: 0 0 16px;
}

/* 复制邮箱按钮(无邮件客户端的兜底入口) */
.copy-mail {
  border: 1px solid #4a90d9;
  border-radius: 4px;
  background: #fff;
  color: #4a90d9;
  font-size: 13px;
  padding: 3px 10px;
  margin-left: 6px;
  cursor: pointer;
  transition: background .2s, color .2s;
}

.copy-mail:hover { background: #4a90d9; color: #fff; }

/* Toast 操作提示(公司标准:右上角,3.5s 自动淡出,成功绿/失败红) */
.toast-box {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: min(340px, 88vw);
}

.toast-box div {
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.5;
  color: #fff;
  box-shadow: 0 8px 24px rgba(10, 16, 28, .18);
  opacity: 1;
  transition: opacity .35s;
}

.toast-box .toast-ok { background: #127b5a; }
.toast-box .toast-err { background: #e64340; }
.toast-box .toast-out { opacity: 0; }

/* ============ 产品详情:特性 / 更新日志 ============ */
.page-product main { padding-bottom: 40px; }

.product-section {
  width: min(860px, 92%);
  margin: 72px auto 0;
  text-align: left;
}

.product-section h2 {
  font-size: 26px;
  margin-bottom: 26px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.feature-item {
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 14px;
  padding: 18px 20px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
}

.release {
  border-left: 2px solid rgba(255, 255, 255, .14);
  padding: 2px 0 20px 24px;
  margin-bottom: 6px;
  position: relative;
}

.release::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--blue);
}

.release-head {
  display: flex;
  gap: 12px;
  align-items: baseline;
  margin-bottom: 10px;
}

.release-ver { font-weight: 700; font-size: 17px; }
.release-date { color: var(--text-dim); font-size: 13px; }

.release ul {
  list-style: disc;
  padding-left: 20px;
  color: var(--text-dim);
}

.release li { margin: 4px 0; line-height: 1.7; }

.product-section-more { text-align: center; margin-top: 56px; }

@media (max-width: 640px) {
  .features-grid { grid-template-columns: 1fr; }
}

/* ============ FAQ 页 ============ */
.faq-main {
  width: min(860px, 92%);
  margin: 0 auto;
  padding: 120px 0 90px;
}

.faq-title {
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: 12px;
}

.faq-sub {
  color: var(--text-dim);
  margin-bottom: 40px;
  line-height: 1.7;
}

.faq-list details {
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 14px;
  padding: 18px 22px;
  margin-bottom: 12px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 16px;
  list-style: none;
  position: relative;
  padding-right: 30px;
}

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

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: -2px;
  color: var(--text-dim);
  font-size: 20px;
}

.faq-list details[open] summary::after { content: "−"; }

.faq-list details p {
  margin-top: 12px;
  color: var(--text-dim);
  line-height: 1.8;
}

.faq-list details a { color: var(--blue-hover); }

.faq-more { text-align: center; margin-top: 40px; }

/* ============ 关于页 ============ */
.about-page {
  width: min(760px, 92%);
  margin: 0 auto;
  padding: 120px 0 90px;
  text-align: center;
}

.about-page-logo { width: 96px; margin: 0 auto 22px; }

.about-page h1 {
  font-size: clamp(30px, 4.4vw, 44px);
  margin-bottom: 14px;
}

.about-lead {
  font-size: 18px;
  color: var(--text);
  margin-bottom: 30px;
}

.about-body { text-align: left; }

.about-body p {
  color: var(--text-dim);
  line-height: 1.9;
  margin-bottom: 16px;
}

.about-h2 {
  font-size: 22px;
  margin: 44px 0 20px;
}

.about-products {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.about-products a {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 999px;
  padding: 10px 22px;
  color: var(--text);
  transition: border-color .2s;
}

.about-products a:hover { border-color: var(--blue); }

.about-products img {
  width: 26px;
  height: 26px;
  border-radius: 6px;
}

.about-contact p {
  color: var(--text-dim);
  line-height: 1.9;
}

.about-contact a { color: var(--blue-hover); }

/* ============ 博客(/blog,2026-10-25 SEO 抢救上线) ============ */
.blog-main { padding: 120px 0 80px; }

.blog-inner { width: min(860px, 92%); margin: 0 auto; }

.blog-title {
  font-size: clamp(26px, 3vw, 34px);
  color: #fff;
  font-weight: 700;
}

.blog-sub { color: var(--text-dim); font-size: 15px; margin: 14px 0 44px; }

.blog-list { display: flex; flex-direction: column; }

.blog-item {
  padding: 26px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.blog-item:first-child { padding-top: 0; }

.blog-item-title { font-size: 19px; font-weight: 600; line-height: 1.45; }

.blog-item-title a { color: #e2e5e9; }
.blog-item-title a:hover { color: var(--blue); }

.blog-item-date { color: var(--text-dim); font-size: 13px; margin: 8px 0 10px; }

.blog-item-desc { color: var(--text-dim); font-size: 14.5px; margin-bottom: 12px; }

.blog-item-more { color: var(--blue); font-size: 14px; }
.blog-item-more:hover { color: var(--blue-hover); }

.post-main { padding: 120px 0 80px; }

.post-inner { width: min(760px, 92%); margin: 0 auto; }

.post-back { margin-bottom: 28px; }
.post-back a { color: var(--blue); font-size: 14px; }
.post-back a:hover { color: var(--blue-hover); }

.post-title {
  font-size: clamp(24px, 3vw, 32px);
  color: #fff;
  font-weight: 700;
  line-height: 1.35;
}

.post-date { color: var(--text-dim); font-size: 13px; margin: 16px 0 36px; }

.post-body { color: #cdd2d8; font-size: 15.5px; line-height: 1.75; }

.post-body h2 {
  font-size: 21px;
  color: #fff;
  font-weight: 600;
  margin: 40px 0 14px;
}

.post-body p { margin-bottom: 14px; }

.post-body a { color: var(--blue); }
.post-body a:hover { color: var(--blue-hover); }

.post-body ul { margin: 0 0 14px 22px; }
.post-body li { margin-bottom: 6px; }

.post-body strong { color: #fff; }

.post-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  margin: 18px 0 22px;
  display: block;
  overflow-x: auto;
}

.post-body th,
.post-body td {
  border: 1px solid rgba(255, 255, 255, .14);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

.post-body th { color: #fff; background: rgba(31, 95, 191, .18); }

.post-body pre {
  background: #16181c;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 8px;
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.6;
  margin: 16px 0 20px;
}

.post-body code { font-family: Consolas, "Courier New", monospace; }

.post-body p > code,
.post-body li > code {
  background: #16181c;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: .9em;
}

@media (max-width: 640px) {
  .blog-main, .post-main { padding-top: 96px; }
  .post-body { font-size: 15px; }
}