* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Be Vietnam Pro", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #f5f6f8;
  color: #222;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6,
.nav-brand, .nav-link, .btn-download, .ann-head h2,
section h2, .faq-card h2 {
  font-family: "Plus Jakarta Sans", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}

a { color: #4B5563; text-decoration: none; }
a:hover { color: #76C162; }

/* ====== 顶部导航 ====== */
/* 独立页面显示导航；SPA 模式下 index.html 已有 nav，隐藏子页面重复的 nav */
#spa-container .site-nav { display: none; }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,.06);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.nav-logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
}

.nav-brand {
  font-size: 18px;
  font-weight: 700;
  color: #333;
}

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

.nav-link {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 8px;
  color: #555;
  font-size: 15px;
  font-weight: 500;
  transition: all .2s;
}

.nav-link:hover,
.nav-link.active {
  color: #76C162;
  background: #eef7ea;
  text-decoration: none;
}

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

.nav-right a,
.nav-right button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.nav-right .btn-login {
  color: #76C162;
  background: transparent;
}

.nav-right .btn-register,
.nav-right .btn-primary {
  color: #fff;
  background: #76C162;
}

.nav-right .user-btn {
  color: #333;
  background: #f3f4f6;
}

/* 登录后导航用户名 chip + 下拉菜单 */
.user-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 10px;
  background: #f3f4f6;
  color: #1E1B4B;
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: background .15s;
}

.user-chip:hover { background: #e9ebef; }

.user-menu {
  position: absolute;
  z-index: 2100;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(27,31,32,.14);
  border: 1px solid #eef0f1;
  min-width: 160px;
  padding: 6px;
}

.user-menu-item {
  display: block;
  width: 100%;
  padding: 10px 12px;
  border: none;
  background: transparent;
  border-radius: 8px;
  text-align: left;
  font-size: 14px;
  color: #4B5563;
  cursor: pointer;
  font-family: inherit;
  transition: background .15s, color .15s;
}

.user-menu-item:hover {
  background: #f4faf2;
  color: #76C162;
}

.user-menu-item.danger { color: #d23; }
.user-menu-item.danger:hover { background: #fff0f0; color: #d23; }

/* 导航下载按钮（Arkana：绿色主按钮） */
.btn-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 22px;
  border-radius: 12px;
  background: #76C162;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 10px 24px rgba(118,193,98,.35);
  transition: all .3s;
  cursor: pointer;
}
.btn-download:hover {
  background: #59AC43;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(118,193,98,.42);
  text-decoration: none;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 6px 4px;
}

.nav-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: #444;
  border-radius: 2px;
}

/* ====== 移动端侧边栏 ====== */
.mobile-sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 1998;
  opacity: 0;
  visibility: hidden;
  transition: all .25s;
}

.mobile-sidebar-overlay.show {
  opacity: 1;
  visibility: visible;
}

.mobile-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: 280px;
  max-width: 80vw;
  height: 100vh;
  background: #fff;
  z-index: 1999;
  transform: translateX(100%);
  transition: transform .25s;
  display: flex;
  flex-direction: column;
  box-shadow: -4px 0 20px rgba(0,0,0,.1);
}

.mobile-sidebar.show {
  transform: translateX(0);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-bottom: 1px solid #eee;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
  color: #333;
}

.sidebar-brand img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}

.sidebar-close {
  width: 32px;
  height: 32px;
  border: none;
  background: #f3f4f6;
  border-radius: 8px;
  font-size: 18px;
  cursor: pointer;
}

.sidebar-nav {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-nav a {
  display: block;
  padding: 12px 14px;
  border-radius: 8px;
  color: #444;
  font-size: 15px;
  font-weight: 500;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  background: #eef7ea;
  color: #76C162;
  text-decoration: none;
}

.sidebar-auth {
  margin-top: auto;
  padding: 16px;
  border-top: 1px solid #eee;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.btn-sidebar {
  display: block;
  text-align: center;
  padding: 12px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
}

.btn-sidebar-outline {
  color: #76C162;
  border: 1px solid #76C162;
  background: #fff;
}

.btn-sidebar-primary {
  color: #fff;
  background: #76C162;
}

/* ====== Blog 页面布局 ====== */
.blog-page {
  min-height: calc(100vh - 60px);
  padding-bottom: 40px;
}

.blog-layout {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 16px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.blog-main {
  flex: 1;
  min-width: 0;
}

.blog-sidebar {
  width: 320px;
  flex-shrink: 0;
}

/* ====== 通用卡片 / section ====== */
section,
.card {
  background: #fff;
  border-radius: 25px;
  padding: 24px 26px;
  margin-top: 22px;
  box-shadow: 0 10px 40px rgba(27,31,32,.07);
}

section:first-child,
.card:first-child {
  margin-top: 0;
}

section h2 {
  margin: 0 0 16px;
  font-size: 19px;
  font-weight: 700;
  color: #1E1B4B;
  border-left: 4px solid #76C162;
  padding-left: 12px;
}

/* ====== 公告 ====== */
.ann-section {
  margin-top: 0;
}

.ann-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ann {
  border-left: 3px solid #ffb020;
  background: #fffdf5;
  padding: 12px 14px;
  border-radius: 12px;
  margin-bottom: 12px;
  line-height: 1.7;
}

/* ====== 反馈 / 帖子 ====== */
.search-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.search-bar input {
  flex: 1;
  border: 1px solid #e2e5e9;
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 14px;
  font-family: inherit;
  background: #fafbfc;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}

.search-bar input:focus {
  border-color: #76C162;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(118,193,98,.15);
}

.btn-sm {
  padding: 8px 16px;
  border: 1px solid #e2e5e9;
  background: #fff;
  border-radius: 12px;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
  color: #4B5563;
  transition: all .15s;
}

.btn-sm:hover { border-color: #76C162; color: #76C162; }

.post {
  border: 1px solid #eef0f1;
  border-radius: 18px;
  padding: 16px 18px;
  margin-bottom: 16px;
  background: #fff;
  box-shadow: 0 4px 20px rgba(27,31,32,.04);
}

.post .top { display: flex; align-items: flex-start; gap: 12px; }
.post .ava,
.post .avatar { width: 40px; height: 40px; border-radius: 50%; background: #f0f0f0; object-fit: cover; flex-shrink: 0; }
.post .name { font-weight: 700; font-size: 15px; color: #222; }
.post .time { color: #999; font-size: 12px; margin-top: 2px; }
.post .content { margin: 12px 0 6px; line-height: 1.75; white-space: pre-wrap; word-break: break-word; color: #333; font-size: 15px; }
.post .imgs { margin: 6px 0; }
.pimg { max-width: 160px; max-height: 160px; border-radius: 8px; margin: 4px; }
.reply { background: #f7f8fa; border-radius: 10px; padding: 10px 12px; margin-top: 8px; font-size: 14px; }
.stats { color: #999; font-size: 12px; margin-top: 8px; }
.badge { display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 10px; margin-left: 6px; vertical-align: middle; }
.b-top { background: #ffe9cc; color: #c87500; }
.b-good { background: #ffe1e1; color: #d23; }
.b-reply { background: #e6f0ff; color: #2b6cff; }

/* ====== 反馈回复区 ====== */
.replies-area { border-top: 1px solid #f0f0f0; margin-top: 12px; padding-top: 10px; }
.replies-header { font-size: 13px; color: #999; margin-bottom: 8px; }
.reply-item { background: #f7f8fa; border-radius: 10px; padding: 10px 12px; margin-bottom: 8px; }
.reply-item.admin-reply { background: #fff8e8; border: 1px solid #ffe4a0; }
.reply-name { font-size: 13px; font-weight: 600; color: #444; }
.reply-body { margin-top: 4px; font-size: 14px; line-height: 1.65; white-space: pre-wrap; word-break: break-word; }
.reply-time { font-size: 11px; color: #bbb; margin-top: 4px; }

/* 回复表单 */
.reply-form-wrap { margin-top: 10px; }
.reply-toggle-btn { background: #f7f8fa; border: 1px solid #eee; border-radius: 8px; padding: 8px 14px; font-size: 13px; color: #888; cursor: pointer; font-family: inherit; width: 100%; text-align: left; transition: all .15s; }
.reply-toggle-btn:hover { border-color: #ccc; color: #666; }
.reply-form { margin-top: 8px; display: flex; gap: 8px; }
.reply-form.hidden { display: none; }
.reply-form input { flex: 1; border: 1px solid #ddd; border-radius: 8px; padding: 8px 12px; font-size: 14px; font-family: inherit; outline: none; }
.reply-form input:focus { border-color: #76C162; }
.reply-form button { background: #76C162; color: #fff; border: none; border-radius: 8px; padding: 8px 16px; font-size: 14px; cursor: pointer; font-family: inherit; white-space: nowrap; }
.reply-form button:hover { background: #68b255; }

/* 反馈删除按钮 */
.fb-del-btn { margin-left: auto; background: transparent; border: 1px solid #fcc; color: #d23; border-radius: 6px; padding: 4px 10px; font-size: 12px; cursor: pointer; font-family: inherit; }

/* ====== 内容合规：屏蔽状态与审核操作 ====== */
.post.blocked { background: #fffaf3; border: 1px dashed #f0cfa0; }
.badge.b-blocked { background: #fdeee0; color: #b26a00; }
.badge.b-hit { background: #f4f4f5; color: #888; font-weight: 400; }
.fb-mod-btn { background: transparent; border: 1px solid #f0cfa0; color: #b26a00; border-radius: 6px; padding: 4px 10px; font-size: 12px; cursor: pointer; font-family: inherit; }
.fb-mod-btn + .fb-del-btn { margin-left: 6px; }

/* 评论区 compose 栏 */
.compose-bar { display: flex; align-items: center; gap: 10px; margin-top: 8px; }
.compose-bar .as { font-size: 13px; color: #999; flex: 1; }
.login-hint { text-align: center; padding: 20px 0; color: #999; font-size: 14px; }
.login-hint a { font-weight: 600; }

/* ====== 评论表单 ====== */
#comment-form,
.fb-compose-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 16px;
}

#comment-form input,
#comment-form textarea,
.fb-compose-form input,
.fb-compose-form textarea {
  border: 1px solid #e2e5e9;
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 14px;
  font-family: inherit;
  background: #fafbfc;
  color: #1e1b4b;
  outline: none;
  transition: border-color .15s, background .15s, box-shadow .15s;
}

#comment-form input:focus,
#comment-form textarea:focus,
.fb-compose-form input:focus,
.fb-compose-form textarea:focus {
  border-color: #76C162;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(118,193,98,.15);
}

#comment-form textarea,
.fb-compose-form textarea {
  min-height: 90px;
  resize: vertical;
}

#comment-form button,
.fb-compose-form button {
  align-self: flex-start;
  background: #76C162;
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 12px 26px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, transform .1s;
}

#comment-form button:hover,
.fb-compose-form button:hover { background: #68b255; }

#comment-form button:active,
.fb-compose-form button:active { transform: translateY(1px); }

#comment-form button:disabled,
.fb-compose-form button:disabled { opacity: .6; cursor: default; }

#c-msg,
.fb-msg {
  font-size: 13px;
  margin-left: 8px;
}

.cmt { border-bottom: 1px solid #f0f0f0; padding: 12px 0; }
.cmt .cn { font-weight: 600; color: #76C162; font-size: 14px; }
.cmt .ct { color: #999; font-size: 12px; margin-left: 8px; }
.cmt .cc { margin-top: 6px; line-height: 1.7; white-space: pre-wrap; word-break: break-word; }

#comment-pager,
#fb-pager {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 16px;
  flex-wrap: wrap;
}

#comment-pager button,
#fb-pager button {
  border: 1px solid #ddd;
  background: #fff;
  border-radius: 8px;
  padding: 6px 12px;
  cursor: pointer;
}

#comment-pager button.cur,
#fb-pager button.cur {
  background: #76C162;
  color: #fff;
  border-color: #76C162;
}

#comment-pager button:disabled,
#fb-pager button:disabled { opacity: .5; cursor: default; }

.loading {
  color: #999;
  text-align: center;
  padding: 30px 0;
}

/* ====== FAQ 侧栏 ====== */
.faq-card {
  background: #fff;
  border-radius: 25px;
  padding: 22px 24px;
  box-shadow: 0 10px 40px rgba(27,31,32,.07);
}

.faq-card h2 {
  margin: 0 0 16px;
  font-size: 19px;
  font-weight: 700;
  color: #1E1B4B;
  border-left: 4px solid #76C162;
  padding-left: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-all-link {
  font-size: 13px;
  font-weight: 400;
  color: #76C162;
  text-decoration: none;
  transition: opacity .15s;
}

.faq-all-link:hover { opacity: .75; }

.faq-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.faq-cols a {
  display: block;
  padding: 11px 14px;
  border: 1px solid #eef0f1;
  border-radius: 12px;
  color: #4B5563;
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: all .15s;
}

.faq-cols a:hover {
  border-color: #76C162;
  color: #76C162;
  background: #f4faf2;
  transform: translateX(2px);
}

/* ====== 页脚 ====== */
.site-footer {
  text-align: center;
  color: #aaa;
  font-size: 12px;
  padding: 30px 16px;
  margin-top: 20px;
}

.site-footer a { color: #888; }

/* ====== 弹窗 ====== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.45);
  padding: 16px;
}

.modal.hidden { display: none; }

.modal-box {
  background: #fff;
  border-radius: 16px;
  width: 100%;
  max-width: 420px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 24px;
  position: relative;
  box-shadow: 0 20px 50px rgba(0,0,0,.2);
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  width: 32px;
  height: 32px;
  border: none;
  background: #f3f4f6;
  border-radius: 50%;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  color: #666;
}

.tabs {
  display: flex;
  gap: 4px;
  background: #f3f4f6;
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 18px;
}

.tab {
  flex: 1;
  padding: 10px;
  border: none;
  background: transparent;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: #666;
  cursor: pointer;
  font-family: inherit;
}

.tab.active {
  background: #fff;
  color: #76C162;
  box-shadow: 0 2px 6px rgba(0,0,0,.06);
}

.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* 登录/注册弹窗：覆盖 .modal form 的 display:flex，确保非活动 tab 内容隐藏 */
#auth-modal .tab-pane { display: none; }
#auth-modal .tab-pane.active { display: block; }

/* 弹窗表单：严格纵向排列，每行一个字段 */
.modal form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 0;
}

.modal form input,
.modal form textarea,
.modal form button {
  font-family: inherit;
  font-size: 14px;
  width: 100%;
  box-sizing: border-box;
}

.modal form input,
.modal form textarea {
  border: 1px solid #e2e5e9;
  border-radius: 12px;
  padding: 13px 14px;
  outline: none;
  background: #fafbfc;
  color: #1e1b4b;
  margin-bottom: 4px;
  transition: border-color .15s, background .15s, box-shadow .15s;
}

.modal form input::placeholder,
.modal form textarea::placeholder { color: #9aa1ab; }

.modal form input:focus,
.modal form textarea:focus {
  border-color: #76C162;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(118,193,98,.15);
}

.modal form button {
  background: #76C162;
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, transform .1s;
}

.modal form button:hover { background: #68b255; }
.modal form button:active { transform: translateY(1px); }

.modal form button.primary,
.modal form button[type="submit"].primary {
  background: #22c55e;
}

.auth-msg {
  font-size: 13px;
  color: #d23;
  margin-top: 10px;
  min-height: 1px;
}

.forgot-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.forgot-icon { display: flex; align-items: center; justify-content: center; }
.forgot-title { margin: 0; font-size: 18px; color: #1e1b4b; font-weight: 600; }
.forgot-desc { color: #6b7280; font-size: 13px; margin: 0 0 16px; line-height: 1.6; }
.back-link { color: #76C162; font-size: 13px; }

/* ====== FAQ 大弹窗 ====== */
.faq-modal-box {
  background: #fff;
  border-radius: 16px;
  max-width: 900px;
  width: 100%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,.2);
}

.faq-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid #eee;
}

.faq-modal-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.faq-modal-header h3 { margin: 0; font-size: 17px; }

.faq-modal-hint {
  font-size: 13px;
  color: #76C162;
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-faq-link {
  color: #76C162 !important;
}

.faq-modal-body {
  display: flex;
  flex: 1;
  overflow: hidden;
  min-height: 400px;
}

.faq-modal-sidebar {
  width: 260px;
  border-right: 1px solid #eef0f1;
  overflow-y: auto;
  padding: 12px;
  background: #f9fafb;
}

.faq-modal-sidebar a {
  display: block;
  padding: 11px 13px;
  border-radius: 12px;
  color: #4B5563;
  font-size: 13px;
  line-height: 1.5;
  margin-bottom: 4px;
  text-decoration: none;
  transition: all .15s;
}

.faq-modal-sidebar a:hover,
.faq-modal-sidebar a.active {
  background: #eef7ea;
  color: #76C162;
  text-decoration: none;
}

.faq-modal-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.faq-modal-content h1 { margin: 0 0 8px; font-size: 22px; }
.faq-modal-content .meta { color: #aaa; font-size: 12px; margin-bottom: 16px; }
.faq-modal-content .body { line-height: 1.9; font-size: 15px; word-break: break-word; }
.faq-modal-content .body img { max-width: 100%; border-radius: 10px; margin: 8px 0; }
.faq-modal-content .body p { margin: 8px 0; }

/* 弹窗内 FAQ 文章卡片 */
.faq-article {
  background: #fff;
  border-radius: 20px;
  padding: 22px 26px;
  box-shadow: 0 10px 40px rgba(27,31,32,.05);
}

.faq-article .faq-title {
  margin: 0 0 12px;
  font-size: 21px;
  font-weight: 700;
  color: #1E1B4B;
  line-height: 1.4;
}

.faq-article .faq-body {
  line-height: 1.85;
  font-size: 15px;
  color: #4B5563;
  word-break: break-word;
}

.faq-article .faq-body p { margin: 12px 0; }
.faq-article .faq-body img { max-width: 100%; border-radius: 12px; margin: 10px 0; display: block; }
.faq-article .faq-body a { color: #76C162; }

.faq-empty {
  color: #999;
  text-align: center;
  padding: 60px 20px;
}

/* ====== Home / About 通用 ====== */
.home-page,
.about-page,
.terms-page,
.privacy-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 16px 60px;
}

.hero {
  background: linear-gradient(135deg, #76C162, #59AC43);
  color: #fff;
  border-radius: 20px;
  padding: 48px 32px;
  text-align: center;
  margin-bottom: 24px;
}

.hero h1 { margin: 0 0 12px; font-size: 34px; }
.hero p { margin: 0; font-size: 17px; opacity: .92; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 20px;
}

.feature-card {
  background: #fff;
  border-radius: 14px;
  padding: 22px;
  box-shadow: 0 2px 10px rgba(0,0,0,.04);
}

.feature-card h3 { margin: 0 0 8px; font-size: 17px; color: #333; }
.feature-card p { margin: 0; color: #666; font-size: 14px; line-height: 1.6; }

.about-content,
.terms-content,
.privacy-content {
  background: #fff;
  border-radius: 14px;
  padding: 28px 32px;
  box-shadow: 0 2px 10px rgba(0,0,0,.04);
  font-size: 15px;
  line-height: 1.9;
}

.about-content h2,
.terms-content h2,
.privacy-content h2 {
  margin: 24px 0 12px;
  font-size: 20px;
  color: #333;
}

.about-content h2:first-child,
.terms-content h2:first-child,
.privacy-content h2:first-child { margin-top: 0; }

.about-content p,
.terms-content p,
.privacy-content p { margin: 10px 0; }

/* ====== 响应式 ====== */
@media (max-width: 900px) {
  .blog-layout { flex-direction: column; }
  .blog-sidebar { width: 100%; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .nav-center,
  .nav-right { display: none; }
  .nav-hamburger { display: flex; }
  .feature-grid { grid-template-columns: 1fr; }

  .faq-modal-body { flex-direction: column; }
  .faq-modal-sidebar {
    width: 100%;
    max-height: 160px;
    border-right: none;
    border-bottom: 1px solid #eee;
  }
  .faq-modal-box { max-height: 92vh; }

  .hero { padding: 32px 20px; }
  .hero h1 { font-size: 26px; }
}

/* ============================================================
   Arkana Design System (2026-08-20 修正：绿主色 + 浅色 SaaS)
   真实参考模板 mobanwang Arkana：
   - 主色 GREEN #76C162，主按钮带 rgba(118,193,98,.45) 绿阴影
   - 浅色背景 #F9F9F9 / 白；深色区 #1B1F20（footer/CTA）
   - 标题 Plus Jakarta Sans 700 色 #1E1B4B；正文 Be Vietnam Pro 色 #4B5563
   - 卡片圆角 25px，柔和阴影 0 10px 40px rgba(27,31,32,.07)
   - 图标方块 65x65 圆角 15px，浅蓝底 #F3F7FF
   覆盖 Home / About 页面；Blog / FAQ / 弹窗样式保持兼容。
   ============================================================ */

/* 主色变量（Arkana 真实风格） */
:root {
  --primary: #76C162;        /* 绿色点缀：logo、eyebrow、强调 */
  --primary-dark: #59AC43;
  --ink: #1E1B4B;            /* 深蓝黑标题 */
  --text: #4B5563;           /* 灰正文 */
  --bg-soft: #F9F9F9;        /* 浅灰背景 */
  --bg-dark: #1B1F20;        /* 近黑按钮/深色区 */
  --radius-lg: 25px;
  --radius-md: 15px;
  --shadow-card: 0 10px 40px rgba(27,31,32,.07);
  --shadow-card-hover: 0 15px 50px rgba(27,31,32,.10);
  --shadow-dark: 0 15px 30px rgba(27,31,32,.25);
  --shadow-primary: 0 15px 30px rgba(118,193,98,.45);
}

/* 页面容器：Home 全宽 */
.home-page { max-width: none; padding: 0; }

/* ---------- 通用 ---------- */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.text-primary { color: var(--primary) !important; }
.bg-light { background-color: var(--bg-soft) !important; }
.bg-dark { background-color: var(--bg-dark) !important; }
.bg-primary { background-color: var(--primary) !important; }
.fs-1 { font-size: clamp(2rem, 5vw + 1rem, 3rem); }
.fs-5 { font-size: 1.1rem; }
.eyebrow { display: inline-block; font-weight: 600; font-size: 1.05rem; margin-bottom: 14px; }
.text-white { color: #fff !important; }
.mt-2 { margin-top: 14px; }

/* 通用按钮（Arkana：主 CTA 深色，次按钮白底） */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 12px; font-family: "Plus Jakarta Sans", sans-serif; font-weight: 700; border: 0; transition: .35s ease-in-out; }
.btn-lg { padding: 18px 38px; font-size: 1.05rem; }
.btn-sm { padding: 12px 25px; font-size: .9rem; }
.btn-primary { padding: 15px 27px; background-color: var(--primary) !important; color: #fff !important; box-shadow: var(--shadow-primary); }
.btn-primary:hover { background-color: var(--primary-dark) !important; color:#fff !important; text-decoration:none; transform: translateY(-2px); }
.btn-dark { padding: 15px 27px; background-color: var(--bg-dark) !important; color: #fff !important; box-shadow: var(--shadow-dark); }
.btn-dark:hover { background-color: #000 !important; color:#fff !important; text-decoration:none; transform: translateY(-2px); }
.btn-ghost { padding: 14px 28px; background: #fff; border: 1px solid #E5E7EB; color: var(--ink) !important; box-shadow: 0 10px 25px rgba(0,0,0,.05); }
.btn-ghost:hover { color: var(--primary) !important; border-color: var(--primary); text-decoration:none; }
.btn-light { padding: 14px 28px; background:#fff; color: var(--ink) !important; box-shadow: 0 15px 30px rgba(0,0,0,.07); }
.btn-light:hover { color: var(--primary) !important; text-decoration:none; }

/* ---------- Hero（左文右大图，参考 hero-banner） ---------- */
.hero-banner {
  padding: 150px 0 40px;
  background: linear-gradient(180deg, #FFFFFF 0%, #F9F9F9 100%);
  overflow: hidden;
}
.hero-banner .container { position: relative; z-index: 3; }
.hero-banner .row {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: end;
  gap: 40px;
  padding-bottom: 50px;
}
.hero-copy { max-width: 560px; }
.hero-heading {
  margin: 0 0 18px;
  font-size: clamp(2.4rem, 4vw + 1rem, 3.4rem);
  line-height: 1.15;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -.5px;
}
.grad-text { color: var(--primary); }
.hero-copy-sub { max-width: 520px; }
.hero-lead { font-size: 1.15rem; line-height: 1.75; color: var(--text); margin: 0 0 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* 产品大图（CSS 渲染 App 界面） */
/* ====== 3 手机模型 + 浮动卡片（Arkana 风格） ====== */
.hero-product {
  max-width: 1100px;
  margin: 10px auto 0;
  perspective: 1600px;
}
.phone-cluster {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 680px;
  padding: 30px 0;
}
.phone-frame {
  position: relative;
  width: 270px;
  height: 560px;
  background: #111;
  border-radius: 46px;
  padding: 14px;
  box-shadow: 0 40px 90px rgba(27,31,32,.32);
}
.phone-notch {
  position: absolute;
  top: 14px; left: 50%; transform: translateX(-50%);
  width: 120px; height: 24px;
  background: #111;
  border-radius: 0 0 18px 18px;
  z-index: 3;
}
.phone-screen {
  position: relative;
  width: 100%; height: 100%;
  background: #f5f5f5;
  border-radius: 34px;
  overflow: hidden;
}
.phone-screen img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.phone-version {
  position: absolute;
  bottom: -30px; left: 50%; transform: translateX(-50%);
  font-size: 12px; color: #9CA3AF; font-weight: 500;
  background: #fff;
  padding: 5px 14px;
  border-radius: 20px;
  box-shadow: 0 4px 12px rgba(27,31,32,.08);
}
.phone-center {
  width: 300px;
  height: 620px;
  z-index: 3;
}
.phone-left {
  transform: translateX(70px) rotateY(18deg) scale(.92);
  z-index: 2;
}
.phone-right {
  transform: translateX(-70px) rotateY(-18deg) scale(.92);
  z-index: 2;
}
.float-card {
  position: absolute;
  display: flex; align-items: center; gap: 12px;
  background: #fff;
  padding: 14px 18px;
  border-radius: 16px;
  box-shadow: 0 12px 35px rgba(27,31,32,.12);
  z-index: 4;
}
.float-card .fc-icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.float-card .fc-icon svg { width: 22px; height: 22px; }
.float-card b { display: block; font-size: 18px; color: var(--ink); }
.float-card span { font-size: 12px; color: #9CA3AF; }
.fc-left { left: 0; top: 35%; }
.fc-right { right: 0; bottom: 30%; }
.float-shot {
  position: absolute;
  width: 140px; height: 110px;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 12px 35px rgba(27,31,32,.14);
  z-index: 4;
}
.float-shot img { width: 100%; height: 100%; object-fit: cover; display: block; }
.fs-left { left: 6%; bottom: 18%; }
.fs-right { right: 6%; top: 20%; }
@media (max-width: 1100px) {
  .phone-cluster { min-height: 560px; }
  .phone-frame { width: 220px; height: 460px; border-radius: 40px; padding: 12px; }
  .phone-center { width: 250px; height: 520px; }
  .phone-left { transform: translateX(50px) rotateY(16deg) scale(.92); }
  .phone-right { transform: translateX(-50px) rotateY(-16deg) scale(.92); }
  .float-card { padding: 10px 14px; }
  .float-card .fc-icon { width: 36px; height: 36px; }
  .float-card b { font-size: 15px; }
  .float-shot { width: 110px; height: 90px; }
  .fs-left { left: 2%; bottom: 14%; }
  .fs-right { right: 2%; top: 16%; }
}
@media (max-width: 860px) {
  .phone-cluster { min-height: auto; flex-direction: column; gap: 28px; padding: 20px 0; }
  .phone-frame,
  .phone-center { width: 260px; height: 540px; transform: none; }
  .phone-left { transform: none; }
  .phone-right { transform: none; }
  .float-card,
  .float-shot { display: none; }
}

/* 内联图标与文字混排对齐 */
.tl-ico { width: 18px; height: 18px; vertical-align: -4px; margin-right: 4px; color: var(--primary); }
.dl-ico { width: 18px; height: 18px; vertical-align: -4px; margin-right: 6px; }
.fl-ico { width: 20px; height: 20px; vertical-align: -4px; margin-right: 6px; color: var(--primary); }

/* Trusted */
.trusted { text-align: center; margin-top: 56px; }
.trusted > span { display: inline-block; color: #9CA3AF; font-weight: 600; font-size: 14px; letter-spacing: .3px; }
.trusted-logos { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; margin-top: 18px; }
.trusted-logos span { padding: 8px 18px; background: #fff; border: 1px solid #EEF0F1; border-radius: 12px; font-size: 14px; color: var(--ink); font-weight: 600; box-shadow: 0 10px 30px rgba(27,31,32,.05); }

/* ---------- 区块通用 ---------- */
.features, .benefits, .testimonials, .achievement, .pricings, .faq, .cta { padding: 110px 0; }
.features.bg-light, .testimonials.bg-light, .faq.bg-light { background: var(--bg-soft); }

/* Features：左 sticky 标题 + 右 2x3 卡片 */
.features-layout { display: grid; grid-template-columns: 5fr 7fr; gap: 60px; }
.features-sticky { position: sticky; top: 120px; align-self: start; }
.features-sticky h2 { margin: 0 0 16px; font-size: clamp(2rem,3vw+1rem,2.6rem); font-weight: 700; color: var(--ink); }
.features-lead { font-size: 1.1rem; color: var(--text); line-height: 1.7; }
.features-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.card-feature {
  height: 100%; padding: 40px; border-radius: var(--radius-lg);
  background: #fff; box-shadow: var(--shadow-card); border: 1px solid #EEF0F1;
  display: flex; flex-direction: column; gap: 14px; transition: .35s ease-in-out;
}
.card-feature:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.card-feature .icon {
  width: 65px; height: 65px; border-radius: var(--radius-md);
  background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 30px; box-shadow: var(--shadow-primary);
}
.card-feature h4 { margin: 0; font-size: 1.15rem; color: var(--ink); font-weight: 700; }
.card-feature p { margin: 0; color: var(--text); font-size: .95rem; line-height: 1.7; }

/* Benefits */
.benefits-head { text-align: center; margin-bottom: 50px; }
.benefits-head h2 { margin: 0; font-size: clamp(2rem,3vw+1rem,2.6rem); font-weight: 700; color: var(--ink); }
.benefits-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.card-benefits { padding: 36px; border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-card); border: 1px solid #EEF0F1; display: flex; flex-direction: column; gap: 12px; transition: .35s ease-in-out; }
.card-benefits:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.card-benefits .card-icon { width: 60px; height: 60px; border-radius: var(--radius-md); background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 26px; box-shadow: var(--shadow-primary); }
.card-benefits h4 { margin: 0; font-size: 1.1rem; color: var(--ink); font-weight: 700; }
.card-benefits p { margin: 0; color: var(--text); font-size: .92rem; line-height: 1.7; }

/* Testimonials */
.testi-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.card-testimonial { padding: 40px; border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-card); display: flex; flex-direction: column; gap: 22px; }
.card-testimonial p { margin: 0; font-size: 1.05rem; line-height: 1.8; color: var(--ink); }
.testi-author { display: flex; align-items: center; gap: 12px; }
.ta-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; }
.testi-author b { display: block; color: var(--ink); font-size: 14px; }
.testi-author span { font-size: 12px; color: #9CA3AF; }

/* Achievement 深色 */
.achievement { position: relative; }
.ach-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.ach-grid h2 { margin: 0 0 6px; font-size: 2.6rem; font-weight: 700; }
.ach-grid h5 { margin: 0 0 8px; font-size: 1.05rem; opacity: .9; }
.ach-grid p { margin: 0; font-size: .9rem; opacity: .55; }

/* Pricings */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.pricing-card { background: #fff; padding: 40px; border-radius: var(--radius-lg); box-shadow: var(--shadow-card); border: 1px solid #EEF0F1; transition: .35s ease-in-out; }
.pricing-card.recomended { position: relative; background: var(--bg-dark); border-color: var(--bg-dark); box-shadow: 0 20px 60px rgba(27,31,32,.3); }
.pricing-card h3 { margin: 0 0 6px; font-size: 1.4rem; font-weight: 700; }
.pc-sub { display: block; font-size: .9rem; opacity: .7; margin-bottom: 18px; }
.pc-price { display: flex; align-items: baseline; gap: 8px; margin-bottom: 20px; }
.pc-price h2 { margin: 0; font-size: 2.2rem; font-weight: 700; }
.pc-list { list-style: none; padding: 0; margin: 0 0 24px; display: flex; flex-direction: column; gap: 12px; }
.pc-list li { position: relative; padding-left: 26px; font-size: .95rem; color: var(--text); }
.pc-list li::before { content: "✓"; position: absolute; left: 0; color: var(--primary); font-weight: 700; }
.pc-badge { position: absolute; top: 22px; right: 22px; background: #F59E0B; color: #fff; font-size: .8rem; padding: 5px 12px; border-radius: 999px; font-weight: 700; }

/* FAQ */
.faq-layout { display: grid; grid-template-columns: 5fr 7fr; gap: 60px; align-items: start; }
.faq-left h2 { margin: 0 0 14px; font-size: clamp(2rem,3vw+1rem,2.6rem); font-weight: 700; color: var(--ink); }
.faq-left p { font-size: 1.1rem; color: var(--text); margin: 0 0 24px; }
.faq-item { border: 1px solid #EEF0F1; border-radius: 20px; box-shadow: 0 20px 30px rgba(0,0,0,.04); margin-bottom: 14px; overflow: hidden; background: #fff; }
.faq-q { width: 100%; text-align: left; background: #fff; border: 0; padding: 26px 30px; font-size: 1.05rem; font-weight: 700; color: var(--ink); cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.faq-sign { font-size: 1.4rem; color: var(--primary); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-item.open .faq-a { max-height: 200px; }
.faq-a p { margin: 0; padding: 0 30px 26px; color: var(--text); font-size: .95rem; line-height: 1.7; }

/* CTA 绿底 */
.cta { position: relative; overflow: hidden; }
.cta-row { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-row h2 { margin: 0 0 8px; font-size: clamp(2rem,3vw+1rem,2.6rem); font-weight: 700; }
.cta-row p { margin: 0; }

/* Footer */
.footer { background: var(--bg-dark); }
.footer-content { padding: 80px 24px 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer-logo { font-size: 1.3rem; font-weight: 700; color: #fff; margin-bottom: 14px; }
.footer-brand p { color: rgba(255,255,255,.5); font-size: .95rem; margin: 0 0 18px; }
.form-newsletter { display: flex; }
.form-newsletter input { flex: 1; border: 0; background: #333; color: #B6B6B6; padding: 14px 16px; border-radius: 10px 0 0 10px; outline: none; }
.form-newsletter button { background: #333; color: var(--primary); border: 0; padding: 0 18px; border-radius: 0 10px 10px 0; font-size: 1.2rem; cursor: pointer; }
.footer h5 { color: var(--primary); margin: 0 0 18px; font-size: 1rem; }
.footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.footer ul li a { color: rgba(255,255,255,.5); text-decoration: none; font-size: .92rem; }
.footer ul li a:hover { color: #fff; }
.copyright { border-top: 1px solid rgba(255,255,255,.1); padding: 26px 24px; text-align: center; color: rgba(255,255,255,.4); font-size: .9rem; }

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
  .hero-banner .row { grid-template-columns: 1fr; gap: 30px; }
  .features-layout, .faq-layout { grid-template-columns: 1fr; gap: 36px; }
  .features-sticky, .faq-left { position: static; }
  .benefits-grid, .ach-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .hero-banner { padding: 120px 0 30px; }
  .features, .benefits, .testimonials, .achievement, .pricings, .faq, .cta { padding: 70px 0; }
  .features-grid, .testi-grid, .benefits-grid, .ach-grid { grid-template-columns: 1fr; }
  .pw-body { grid-template-columns: 1fr; }
  .pw-side { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-row { flex-direction: column; text-align: center; }
}

/* ============================================================
   About Design System (2026-08-20)
   依据 Android AboutActivity 内容 + Arkana 令牌 + taste-skill
   反模板规范：单一绿色点缀、深色 CTA、无紫色渐变、无三列等宽卡
   ============================================================ */
.about-page { max-width: none; padding: 0; }

/* ---------- About Hero（左文案 + 右视觉） ---------- */
.about-hero {
  padding: 120px 0 70px;
  background: linear-gradient(180deg, #FFFFFF 0%, #F9F9F9 100%);
  overflow: hidden;
}
.about-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 60px;
  align-items: center;
}
.about-hero-title {
  margin: 0 0 18px;
  font-size: clamp(2.4rem, 4vw + 1rem, 3.4rem);
  line-height: 1.15;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -.5px;
}
.about-hero-lead {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text);
  margin: 0 0 26px;
  max-width: 520px;
}
.about-pills { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
.pill {
  padding: 7px 16px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #EEF0F1;
  font-size: .85rem;
  font-weight: 700;
  color: var(--ink);
  box-shadow: 0 8px 24px rgba(27,31,32,.05);
}

/* Hero 右侧视觉：大音符卡 + 浮动功能标签 */
.about-hero-art { position: relative; height: 420px; }
.aha-card {
  position: absolute;
  inset: 30px 0 0 30px;
  background: var(--primary);
  border-radius: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 30px 70px rgba(118,193,98,.45);
  overflow: hidden;
}
.aha-card svg { width: 140px; height: 140px; }
.aha-chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border: 1px solid #EEF0F1;
  border-radius: 16px;
  padding: 14px 18px;
  font-weight: 700;
  font-size: .95rem;
  color: var(--ink);
  box-shadow: 0 18px 40px rgba(27,31,32,.12);
}
.aha-chip svg { width: 22px; height: 22px; color: var(--primary); }
.aha-chip-1 { top: 8px; right: 10px; }
.aha-chip-2 { bottom: 70px; left: 0; }
.aha-chip-3 { bottom: -6px; right: 40px; }

/* ---------- 应用故事 ---------- */
.about-story { padding: 110px 0; }
.about-story-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 70px;
  align-items: center;
}
.about-story-copy h2 { margin: 0 0 18px; font-weight: 700; color: var(--ink); }
.about-story-copy p { font-size: 1.05rem; line-height: 1.85; color: var(--text); margin: 0 0 22px; }
.about-facts { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.about-facts li {
  position: relative;
  padding-left: 30px;
  font-size: .98rem;
  color: var(--ink);
  font-weight: 600;
}
.about-facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 6px 14px rgba(118,193,98,.4);
}
.about-facts li small { display: block; font-weight: 500; color: var(--text); font-size: .88rem; margin-top: 3px; }

/* 应用内关于页镜像卡片 */
.about-appcard {
  background: #fff;
  border: 1px solid #EEF0F1;
  border-radius: 25px;
  box-shadow: 0 10px 40px rgba(27,31,32,.07);
  padding: 34px;
}
.ac-head { display: flex; align-items: center; gap: 16px; padding-bottom: 22px; border-bottom: 1px solid #F0F1F2; }
.ac-logo {
  width: 62px;
  height: 62px;
  border-radius: 16px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 12px 26px rgba(118,193,98,.4);
}
.ac-logo svg { width: 32px; height: 32px; }
.ac-name { font-size: 1.25rem; font-weight: 700; color: var(--ink); }
.ac-ver { font-size: .85rem; color: #9CA3AF; margin-top: 2px; }
.ac-list { display: flex; flex-direction: column; }
.ac-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 2px;
  border-bottom: 1px solid #F6F7F8;
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  font-size: .98rem;
  transition: .2s;
}
.ac-item:hover { color: var(--primary); }
.ac-item svg { width: 20px; height: 20px; color: var(--primary); flex-shrink: 0; }
.ac-item .ai-arrow { margin-left: auto; color: #C6CBD1; transition: .2s; }
.ac-item:hover .ai-arrow { color: var(--primary); transform: translateX(3px); }
.ac-foot { display: flex; gap: 14px; justify-content: center; padding-top: 18px; }
.ac-foot a { font-size: .88rem; color: var(--primary); text-decoration: none; font-weight: 600; }
.ac-foot a:hover { text-decoration: underline; }

/* ---------- 快捷入口（非三列等宽：2 列 + 通栏捐赠卡） ---------- */
.about-links { padding: 110px 0; background: var(--bg-soft); }
.about-links-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  max-width: 920px;
  margin: 0 auto;
}
.about-linkcard {
  display: flex;
  align-items: center;
  gap: 18px;
  background: #fff;
  border: 1px solid #EEF0F1;
  border-radius: 22px;
  padding: 26px 28px;
  text-decoration: none;
  box-shadow: 0 10px 40px rgba(27,31,32,.06);
  transition: .3s ease;
}
.about-linkcard:hover { transform: translateY(-4px); box-shadow: 0 18px 50px rgba(27,31,32,.10); }
.alc-icon {
  width: 56px;
  height: 56px;
  border-radius: 15px;
  background: #F3F7FF;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
  transition: .3s;
}
.about-linkcard:hover .alc-icon { background: var(--primary); color: #fff; }
.alc-icon svg { width: 24px; height: 24px; }
.about-linkcard h4 { margin: 0 0 4px; font-size: 1.05rem; color: var(--ink); font-weight: 700; }
.about-linkcard p { margin: 0; font-size: .88rem; color: var(--text); }
.alc-arrow { margin-left: auto; color: #C6CBD1; font-size: 1.2rem; }
.about-linkcard:hover .alc-arrow { color: var(--primary); }
.about-linkcard--donate {
  grid-column: 1 / -1;
  background: var(--bg-dark);
  border-color: var(--bg-dark);
  box-shadow: 0 20px 60px rgba(27,31,32,.28);
}
.about-linkcard--donate h4 { color: #fff; }
.about-linkcard--donate p { color: rgba(255,255,255,.55); }
.about-linkcard--donate .alc-icon { background: var(--primary); color: #fff; }
.about-linkcard--donate:hover { box-shadow: 0 26px 70px rgba(27,31,32,.35); }

/* ---------- 社区 ---------- */
.about-community { padding: 110px 0; }
.about-comm-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 70px;
  align-items: center;
}
.about-comm-grid h2 { margin: 0 0 16px; font-weight: 700; color: var(--ink); }
.about-comm-grid p { font-size: 1.05rem; line-height: 1.8; color: var(--text); margin: 0 0 28px; }
.about-comm-note {
  background: var(--primary);
  color: #fff;
  border-radius: 25px;
  padding: 44px;
  box-shadow: 0 30px 60px rgba(118,193,98,.35);
}
.about-comm-note blockquote { margin: 0 0 18px; font-size: 1.3rem; line-height: 1.7; font-weight: 600; }
.about-comm-note cite { font-style: normal; opacity: .85; font-size: .95rem; }

/* ---------- 协议 ---------- */
.about-policy { padding: 110px 0; background: var(--bg-soft); }
.about-policy-row { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-policy-row h2 { margin: 0 0 16px; font-weight: 700; color: var(--ink); }
.about-policy-row p { font-size: 1.05rem; line-height: 1.8; color: var(--text); margin: 0; }
.about-policy-links { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.policy-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: #fff;
  border: 1px solid #EEF0F1;
  border-radius: 18px;
  padding: 24px;
  text-decoration: none;
  color: var(--ink);
  box-shadow: 0 10px 30px rgba(27,31,32,.05);
  transition: .3s;
}
.policy-card:hover { transform: translateY(-3px); color: var(--primary); }
.policy-card svg { width: 26px; height: 26px; color: var(--primary); }
.policy-card b { font-size: 1rem; }

/* ---------- About 响应式 ---------- */
@media (max-width: 992px) {
  .about-hero-grid, .about-story-grid, .about-comm-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-hero-art { height: 340px; max-width: 460px; }
  .about-policy-row { grid-template-columns: 1fr; }
  .about-policy-links { max-width: 460px; }
}
@media (max-width: 640px) {
  .about-hero { padding: 90px 0 50px; }
  .about-hero-art { height: 300px; margin-top: 10px; }
  .aha-chip-3 { right: 10px; }
  .about-story, .about-links, .about-community, .about-policy { padding: 70px 0; }
  .about-links-grid { grid-template-columns: 1fr; }
  .about-linkcard--donate { grid-column: auto; }
  .about-policy-links { grid-template-columns: 1fr; }
  .about-comm-note { padding: 30px; }
}