/* ============================================================
   页际官网样式
   设计令牌 1:1 取自 App 代码：
   - lib/core/app_colors.dart (LightColors)
   - lib/widgets/view_container/widgets/view_tab_bar.dart (_ViewTabChip)
   ============================================================ */

:root {
  /* 主题色 */
  --primary: #2F88FF;
  --primary-light: #64B5F6;
  --primary-alpha: rgba(47, 136, 255, 0.08);   /* primaryWithAlpha */
  --hover-bg: rgba(100, 181, 246, 0.05);       /* hoverBackground */

  /* 背景 */
  --bg: #FFFFFF;
  --bg-secondary: #F0F2F5;
  --bg-sidebar: #F0F4F8;                       /* sidebarBackground / filterTagBackground */
  --bg-kr-card: #F7FBFF;                       /* krCardBackground */
  --bg-focus: #FAFBFD;                         /* focusPanelBackground */

  /* 文字 */
  --text-primary: #1A1A1A;
  --text-secondary: #666666;
  --text-disabled: #999999;
  --text-hint: #ACACAC;
  --text-tag-inactive: #777777;                /* filterTagInactiveText */

  /* 边框 / 分隔线 */
  --border: #E4E4E4;
  --divider: #E5E5E5;

  /* 状态色 */
  --success: #4CAF50;
  --warning: #F4BE50;
  --error: #EE6A5F;

  /* 优先级语义色（AppColors 跨主题常量） */
  --priority-high: rgb(212, 93, 66);
  --priority-medium: #F4BE50;
  --priority-low: #4CAF50;

  /* 阴影：对应 shadow #26000000 */
  --shadow-color: rgba(0, 0, 0, 0.15);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 8px 32px rgba(31, 68, 116, 0.08);

  /* 圆角体系 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 17px;

  /* 导航高度 */
  --nav-height: 56px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Microsoft YaHei", "Noto Sans SC", "WenQuanYi Micro Hei", sans-serif;
  color: var(--text-primary);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ============================================================
   顶部导航（复刻 ViewTabBar）
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.86);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--divider);
}

.nav__inner {
  max-width: 1120px;
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.nav__logo { width: 26px; height: 26px; border-radius: 6px; }

.nav__title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.28px;
}

.nav__tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav__tabs::-webkit-scrollbar { display: none; }

/* 胶囊选项卡：高28 / 圆角17 / 水平内边距10 / 字号15 / 边框0.5px（对齐 _ViewTabChip 桌面态） */
.nav__tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 10px;
  border-radius: var(--radius-pill);
  background: var(--bg-sidebar);
  border: 0.5px solid var(--border);
  font-size: 15px;
  line-height: 20px;
  color: var(--text-tag-inactive);
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.nav__tab-icon { font-size: 13px; line-height: 1; }

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

.nav__contact-link {
  flex-shrink: 0;
  font-size: 14px;
  color: var(--text-secondary);
  transition: color 0.15s ease;
  white-space: nowrap;
}
.nav__contact-link:hover { color: var(--primary); }

.nav__tab.is-active {
  background: var(--primary-alpha);
  border-color: var(--primary);
  color: var(--primary);
}

/* ============================================================
   Hero 首屏
   ============================================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(180deg, var(--bg-kr-card) 0%, var(--bg) 70%);
}

/* 轻量几何装饰 */
.hero__deco {
  position: absolute;
  border-radius: 32%;
  pointer-events: none;
}
.hero__deco--a {
  width: 380px; height: 380px;
  top: -120px; right: -100px;
  background: var(--bg-sidebar);
  transform: rotate(18deg);
}
.hero__deco--b {
  width: 260px; height: 260px;
  bottom: -80px; left: -70px;
  background: var(--primary-alpha);
  transform: rotate(-14deg);
}
.hero__deco--c {
  width: 140px; height: 140px;
  top: 22%; left: 12%;
  background: transparent;
  border: 1px solid var(--divider);
  border-radius: var(--radius-lg);
  transform: rotate(12deg);
}

.hero__inner {
  position: relative;
  text-align: center;
  padding: 0 24px;
  animation: hero-in 0.7s ease both;
}

@keyframes hero-in {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero__logo {
  width: 88px;
  height: 88px;
  margin: 0 auto 24px;
  border-radius: 20px;
  box-shadow: var(--shadow-card);
}

.hero__title {
  font-size: 56px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--text-primary);
}

.hero__slogan {
  margin-top: 12px;
  font-size: 22px;
  font-weight: 500;
  color: var(--text-primary);
}

.hero__sub {
  margin-top: 10px;
  font-size: 15px;
  color: var(--text-secondary);
  letter-spacing: 0.28px;
}

/* 发布状态徽章（warning 浅底胶囊） */
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  height: 32px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  background: rgba(244, 190, 80, 0.14);
  border: 0.5px solid var(--warning);
  color: #B98A1E;
  font-size: 14px;
  letter-spacing: 0.28px;
}

.hero__badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--warning);
  animation: badge-pulse 1.8s ease-in-out infinite;
}

@keyframes badge-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.hero__scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
}

.hero__scroll-arrow {
  display: block;
  width: 10px;
  height: 10px;
  border-right: 1.5px solid var(--text-hint);
  border-bottom: 1.5px solid var(--text-hint);
  transform: rotate(45deg);
  animation: scroll-bounce 1.6s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: rotate(45deg) translate(0, 0); opacity: 0.5; }
  50% { transform: rotate(45deg) translate(4px, 4px); opacity: 1; }
}

/* ============================================================
   功能 / 理念区块
   ============================================================ */

.section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 96px 24px;
}

.section--alt { background: var(--bg-focus); }

.section__inner {
  max-width: 1040px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 72px;
  width: 100%;
}

.section--reverse .section__inner { flex-direction: row-reverse; }

.section__text { flex: 1 1 0; min-width: 0; }
.section__visual {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  justify-content: center;
}

/* 区块徽章：同选项卡胶囊样式（选中态） */
.section__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 10px;
  border-radius: var(--radius-pill);
  background: var(--primary-alpha);
  border: 0.5px solid var(--primary);
  color: var(--primary);
  font-size: 15px;
  line-height: 20px;
}

.section__badge-icon { font-size: 13px; line-height: 1; }

.section__title {
  margin-top: 20px;
  font-size: 38px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--text-primary);
}

.section__desc {
  margin-top: 16px;
  font-size: 16px;
  color: var(--text-secondary);
  letter-spacing: 0.28px;
}

.section__points {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.section__points li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  color: var(--text-secondary);
}

.section__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 3px;
  background: var(--primary);
  opacity: 0.75;
}

/* 入场动画 */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   仿真卡片：通用
   ============================================================ */

.mock {
  width: 100%;
  max-width: 420px;
  background: var(--bg);
  border: 1px solid var(--divider);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 20px;
}

.mock__tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.mock__tab {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 10px;
  border-radius: var(--radius-pill);
  background: var(--bg-sidebar);
  border: 0.5px solid var(--border);
  font-size: 13px;
  color: var(--text-tag-inactive);
}

.mock__tab--active {
  background: var(--primary-alpha);
  border-color: var(--primary);
  color: var(--primary);
}

/* ---------- 待办卡片 ---------- */

.mock-todo__row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 4px;
  border-bottom: 1px solid var(--divider);
}
.mock-todo__row:last-child { border-bottom: none; }

.mock-todo__check {
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--text-hint);
  border-radius: 5px;
  flex-shrink: 0;
}

.mock-todo__check--done {
  background: var(--text-disabled);
  border-color: var(--text-disabled);
  position: relative;
}
.mock-todo__check--done::after {
  content: "";
  position: absolute;
  left: 4.5px;
  top: 1.5px;
  width: 4px;
  height: 8px;
  border-right: 1.5px solid #fff;
  border-bottom: 1.5px solid #fff;
  transform: rotate(45deg);
}

.mock-todo__text {
  flex: 1;
  font-size: 14px;
  color: var(--text-primary);
}
.mock-todo__text--done {
  color: var(--text-disabled);
  text-decoration: line-through;
}

.mock-todo__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.mock-todo__dot--high { background: var(--priority-high); }
.mock-todo__dot--medium { background: var(--priority-medium); }
.mock-todo__dot--low { background: var(--priority-low); }

/* ---------- 目标卡片 ---------- */

.mock--goal { background: var(--bg-kr-card); }

.mock-goal__header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.mock-goal__ring {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  flex-shrink: 0;
  background: conic-gradient(var(--primary) calc(var(--pct) * 1%), var(--bg-secondary) 0);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mock-goal__ring-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
}

.mock-goal__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.mock-goal__cycle {
  margin-top: 2px;
  font-size: 12px;
  color: var(--text-disabled);
}

.mock-goal__kr { margin-top: 14px; }

.mock-goal__kr-name {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.mock-goal__bar {
  height: 6px;
  border-radius: 3px;
  background: var(--bg-secondary);
  overflow: hidden;
}

.mock-goal__bar span {
  display: block;
  height: 100%;
  border-radius: 3px;
  background: var(--primary);
}

/* ---------- 记录卡片 ---------- */

.mock-record__timer {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--divider);
}

.mock-record__timer-ring {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  flex-shrink: 0;
  background: conic-gradient(var(--primary) 62%, var(--bg-secondary) 0);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mock-record__timer-num {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.mock-record__timer-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.mock-record__timer-sub {
  margin-top: 2px;
  font-size: 12px;
  color: var(--text-disabled);
}

.mock-record__timeline {
  margin-top: 14px;
  position: relative;
  padding-left: 6px;
}

/* 时间轴竖线（timelineTrackColor #E3EAF2） */
.mock-record__timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: #E3EAF2;
}

.mock-record__item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
}

.mock-record__node {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid var(--bg);
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

.mock-record__time {
  font-size: 12px;
  color: var(--text-disabled);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

.mock-record__label {
  font-size: 14px;
  color: var(--text-primary);
}

/* ---------- AI 卡片 ---------- */

.mock--ai {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mock-ai__bubble {
  max-width: 85%;
  padding: 10px 14px;
  font-size: 14px;
  line-height: 1.55;
}

.mock-ai__bubble--user {
  align-self: flex-end;
  background: var(--primary);
  color: #fff;
  border-radius: 14px 14px 4px 14px;
}

.mock-ai__bubble--bot {
  align-self: flex-start;
  background: var(--bg-sidebar);
  color: var(--text-primary);
  border-radius: 14px 14px 14px 4px;
}

/* ---------- 三层闭环卡片 ---------- */

.mock--loop {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-right: 64px;
}

.mock-loop__card {
  background: var(--bg-kr-card);
  border: 1px solid var(--divider);
  border-radius: var(--radius-md);
  padding: 12px 14px;
}

.mock-loop__tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}

.mock-loop__items {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.mock-loop__items span {
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--bg);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 2px 10px;
}

.mock-loop__arrow {
  text-align: center;
  font-size: 12px;
  color: var(--text-disabled);
  padding: 2px 0;
}

/* 右侧回环：记录层 → 目标层 */
.mock-loop__back {
  position: absolute;
  top: 24px;
  bottom: 24px;
  right: 18px;
  width: 30px;
  border: 1.5px dashed var(--primary-light);
  border-left: none;
  border-radius: 0 16px 16px 0;
  display: flex;
  align-items: center;
}

.mock-loop__back span {
  position: absolute;
  right: -14px;
  top: 50%;
  transform: translateY(-50%) rotate(90deg);
  transform-origin: center;
  white-space: nowrap;
  font-size: 11px;
  color: var(--primary);
  background: var(--bg);
  padding: 0 6px;
}

/* ---------- 习惯打卡卡片 ---------- */

.mock-habit__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.mock-habit__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.mock-habit__sub {
  margin-top: 2px;
  font-size: 12px;
  color: var(--text-disabled);
}

.mock-habit__streak {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  background: rgba(244, 190, 80, 0.14);
  border: 0.5px solid var(--warning);
  font-size: 13px;
  color: #B98A1E;
  white-space: nowrap;
  flex-shrink: 0;
}

/* 打卡日历：4 周 × 7 天 */
.mock-habit__grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
}

.mock-habit__grid i {
  aspect-ratio: 1;
  border-radius: 8px;
  background: var(--bg-secondary);
}

.mock-habit__grid i.is-done { background: var(--primary); opacity: 0.85; }

.mock-habit__grid i.is-skip {
  background: rgba(244, 190, 80, 0.3);
  border: 1px solid var(--warning);
}

.mock-habit__grid i.is-today {
  background: var(--primary-alpha);
  border: 1.5px dashed var(--primary);
}

.mock-habit__legend {
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--text-secondary);
}

.mock-habit__legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.mock-habit__dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--bg-secondary);
}

.mock-habit__dot--done { background: var(--primary); opacity: 0.85; }

.mock-habit__dot--skip {
  background: rgba(244, 190, 80, 0.3);
  border: 1px solid var(--warning);
}

/* ============================================================
   关于我们（备案信息区块）
   ============================================================ */

.about {
  background: var(--bg);
  border-top: 1px solid var(--divider);
  padding: 48px 24px;
}

.about__inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about__title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.about__intro {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-secondary);
  letter-spacing: 0.28px;
  margin-bottom: 28px;
}

.about__info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.about__info-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: left;
}

.about__info-icon {
  font-size: 20px;
  line-height: 1;
  color: var(--primary);
  flex-shrink: 0;
}

.about__info-text {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
}

.about__info-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-disabled);
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.about__info-value {
  font-size: 15px;
  color: var(--text-primary);
  line-height: 1.5;
}

.about__info-link {
  transition: color 0.15s ease;
}
.about__info-link:hover { color: var(--primary); }

/* ============================================================
   页脚
   ============================================================ */

.footer {
  background: var(--bg-sidebar);
  border-top: 1px solid var(--divider);
  padding: 40px 24px;
}

.footer__inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

/* 站内链接行（二级页面导航） */
.footer__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  font-size: 13px;
  color: var(--text-secondary);
}

.footer__links a { color: var(--text-secondary); transition: color 0.15s ease; }
.footer__links a:hover { color: var(--primary); }

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

.footer__logo { width: 24px; height: 24px; border-radius: 6px; }

.footer__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.footer__release {
  font-size: 12px;
  color: #B98A1E;
  background: rgba(244, 190, 80, 0.14);
  border: 0.5px solid var(--warning);
  border-radius: var(--radius-pill);
  padding: 2px 10px;
}

.footer__meta {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 13px;
  color: var(--text-secondary);
}

.footer__beian {
  color: var(--text-secondary);
  transition: color 0.15s ease;
}
.footer__beian:hover { color: var(--primary); }

/* ============================================================
   二级页面通用（会员服务 / 关于 / 联系 / 协议）
   ============================================================ */

.page {
  padding: calc(var(--nav-height) + 56px) 24px 88px;
  background: linear-gradient(180deg, var(--bg-kr-card) 0%, var(--bg) 320px);
}

.page__inner { max-width: 880px; margin: 0 auto; }

/* 页头：徽章 + 标题 + 描述（同 section 徽章语言） */
.page-head { text-align: center; margin-bottom: 48px; }

.page-head__title {
  margin-top: 16px;
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
}

.page-head__desc {
  margin-top: 10px;
  font-size: 15px;
  color: var(--text-secondary);
  letter-spacing: 0.28px;
}

/* ---------- 会员服务：价格卡 ---------- */

.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
}

.plan {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--divider);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 28px 24px;
}

.plan--hot { border: 1.5px solid var(--primary); }

.plan__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  height: 24px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  line-height: 24px;
  white-space: nowrap;
}

.plan__name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.plan__price {
  margin-top: 10px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.plan__price-num {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
}

.plan__price-unit {
  font-size: 13px;
  color: var(--text-secondary);
}

.plan__note {
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-disabled);
}

.plan__features {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--divider);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.plan__features li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  color: var(--text-secondary);
}

.plan__features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  font-size: 13px;
  color: var(--primary);
}

/* 价格卡下的说明区块 */
.pricing-notes {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pricing-note {
  display: flex;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.pricing-note-icon { color: var(--primary); flex-shrink: 0; }

.pricing-note a { color: var(--primary); }
.pricing-note a:hover { text-decoration: underline; }

/* ---------- 通用信息卡（关于 / 联系） ---------- */

.info-section { margin-top: 40px; }

.info-section__title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.info-card {
  background: var(--bg);
  border: 1px solid var(--divider);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 24px;
}

.info-card__row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
}

.info-card__row + .info-card__row { border-top: 1px solid var(--divider); }

.info-card__icon {
  font-size: 18px;
  line-height: 1.5;
  color: var(--primary);
  flex-shrink: 0;
  width: 24px;
  text-align: center;
}

.info-card__label {
  width: 88px;
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-disabled);
  letter-spacing: 0.4px;
  line-height: 1.7;
}

.info-card__value {
  font-size: 15px;
  color: var(--text-primary);
  line-height: 1.7;
  word-break: break-all;
}

.info-card__value a { transition: color 0.15s ease; }
.info-card__value a:hover { color: var(--primary); }

/* 联系页问题指引卡 */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.faq-card {
  background: var(--bg);
  border: 1px solid var(--divider);
  border-radius: var(--radius-md);
  padding: 18px 20px;
}

.faq-card__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.faq-card__desc {
  margin-top: 6px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-card__desc a { color: var(--primary); }
.faq-card__desc a:hover { text-decoration: underline; }

/* ---------- 协议文档排版 ---------- */

.doc {
  background: var(--bg);
  border: 1px solid var(--divider);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 40px 44px;
  font-size: 15px;
  color: var(--text-primary);
  line-height: 1.85;
}

.doc h2 {
  font-size: 18px;
  font-weight: 600;
  margin: 32px 0 12px;
}

.doc h2:first-child { margin-top: 0; }

.doc h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 24px 0 8px;
}

.doc p { margin: 8px 0; color: var(--text-secondary); }
.doc p strong, .doc li strong, .doc td strong { color: var(--text-primary); }

.doc ul, .doc ol { margin: 8px 0; padding-left: 24px; }
.doc ol { list-style: decimal; }
.doc ul { list-style: disc; }
.doc li { margin: 6px 0; color: var(--text-secondary); }

.doc table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 14px;
}

.doc th, .doc td {
  border: 1px solid var(--divider);
  padding: 8px 12px;
  text-align: left;
  vertical-align: top;
  color: var(--text-secondary);
  line-height: 1.7;
}

.doc th {
  background: var(--bg-sidebar);
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

.doc hr {
  border: none;
  border-top: 1px solid var(--divider);
  margin: 28px 0;
}

.doc .doc__sign {
  text-align: right;
  font-weight: 600;
  color: var(--text-primary);
  margin: 4px 0;
}

/* ---------- 响应式补充（二级页面） ---------- */

@media (max-width: 767px) {
  .page { padding: calc(var(--nav-height) + 32px) 16px 64px; }
  .page-head { margin-bottom: 32px; }
  .page-head__title { font-size: 24px; }

  .plan-grid { grid-template-columns: 1fr; gap: 16px; }
  .faq-grid { grid-template-columns: 1fr; }

  .doc { padding: 24px 18px; font-size: 14px; }
  .doc th, .doc td { padding: 6px 8px; }

  .info-card__label { width: 76px; }
  .info-card__value { font-size: 14px; }
}

/* ============================================================
   响应式（<768px 移动端）
   ============================================================ */

@media (max-width: 767px) {
  .nav__inner { padding: 0 16px; gap: 10px; }
  .nav__title { display: none; }
  .nav__tab { font-size: 14px; padding: 0 9px; }

  .hero__title { font-size: 40px; }
  .hero__slogan { font-size: 18px; }
  .hero__sub { font-size: 14px; }
  .hero__logo { width: 72px; height: 72px; }
  .hero__deco--a { width: 240px; height: 240px; top: -90px; right: -90px; }
  .hero__deco--c { display: none; }

  .section { padding: 72px 20px; min-height: auto; }
  .section__inner,
  .section--reverse .section__inner {
    flex-direction: column;
    gap: 40px;
  }
  .section__title { font-size: 28px; }
  .section__title br { display: none; }
  .section__desc { font-size: 15px; }

  .mock { max-width: 100%; }
  .mock--loop { padding-right: 52px; }

  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .footer__meta { flex-wrap: wrap; gap: 10px; }

  .about { padding: 36px 20px; }
  .about__title { font-size: 18px; }
  .about__intro { font-size: 14px; margin-bottom: 20px; }
  .nav__contact-link { font-size: 13px; }
}