/* =====================================================================
   超级家庭 · 官网样式
   设计语言：温暖像素卡牌 × 克制高级感
   作者注：无任何外部依赖（国内可直连），全部系统字体 + 本地资产
   ===================================================================== */

/* ------------------------------------------------------------------ */
/* 1. 设计令牌                                                          */
/* ------------------------------------------------------------------ */
:root {
  /* —— 墨色 / 纸张（来自 app 暖奶油底 + 像素描边墨色）—— */
  --ink:        #16263F;   /* 主描边 / 主文字（深藏青）*/
  --ink-soft:   #2D435E;
  --ink-2:      #34465E;
  --paper:      #FFFBF3;   /* 页面暖奶油底 */
  --paper-2:    #FFF5E2;   /* 次级面板 */
  --paper-3:    #FDEED3;   /* 暖琥珀面板 */
  --hairline:   #EFE0C4;   /* 奶油上的发丝线 */

  /* —— 品牌彩（取自竖版像素 logo / app 图标）—— */
  --sky-1:    #5FCDE4;     /* 天空青 */
  --sky-2:    #9BE7DA;     /* 薄荷 */
  --sky-deep: #1B6A82;
  --blue:     #3D6FD6;     /* 屋顶蓝 */
  --blue-deep:#2B53AE;
  --orange:   #F8862B;     /* 屋顶橙 */
  --gold:     #FBC02D;     /* 星星金 */
  --gold-deep:#8A5A00;
  --coral:    #FB6F92;     /* 爱心粉 */
  --coral-deep:#E8517A;
  --green:    #36C25B;     /* 草地绿 */
  --green-deep:#1FA347;
  --brown:    #B5651D;     /* 泥土棕 */

  /* —— 语义 —— */
  --bg:          var(--paper);
  --text:        var(--ink);
  --text-muted:  #6E5C44;  /* 奶油底上的柔和正文 */
  --text-faint:  #9C8A70;
  --card:        #FFFFFF;
  --card-warm:   #FFFDF7;

  /* —— 阴影：硬投影(像素卡贴纸感) + 软投影(层次) —— */
  --hard:        4px 4px 0 var(--ink);
  --hard-lg:     6px 6px 0 var(--ink);
  --hard-sm:     3px 3px 0 var(--ink);
  --soft:        0 22px 48px -24px rgba(16, 38, 63, .42);
  --soft-sm:     0 12px 26px -16px rgba(16, 38, 63, .34);

  /* —— 圆角 —— */
  --r-lg: 26px;
  --r:    20px;
  --r-sm: 14px;
  --r-xs: 10px;

  /* —— 间距尺度 —— */
  --sp-1: 6px;  --sp-2: 12px; --sp-3: 18px; --sp-4: 26px;
  --sp-5: 40px; --sp-6: 64px; --sp-7: 96px; --sp-8: 128px;

  /* —— 容器 —— */
  --container: 1120px;
  --container-narrow: 760px;

  /* —— 字体 —— */
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
          "Noto Sans SC", system-ui, -apple-system, "Segoe UI", Roboto,
          "Helvetica Neue", Arial, sans-serif;
  --font-num: "DIN Alternate", "Bahnschrift", var(--font);
}

/* ------------------------------------------------------------------ */
/* 2. 基础重置                                                          */
/* ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;            /* 固定导航留白 */
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  letter-spacing: .005em;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

::selection { background: var(--gold); color: var(--ink); }

:where(a, button, summary):focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 4px;
}

.skip-link {
  position: fixed; top: 10px; left: 12px; z-index: 1000;
  padding: 10px 14px; border: 2.5px solid var(--ink); border-radius: 12px;
  background: var(--gold); color: var(--ink); box-shadow: var(--hard-sm);
  font-weight: 800; transform: translateY(-160%); transition: transform .16s ease;
}
.skip-link:focus { transform: translateY(0); }
main[tabindex="-1"]:focus { outline: none; }

/* ------------------------------------------------------------------ */
/* 3. 排版                                                             */
/* ------------------------------------------------------------------ */
.h1 { font-size: clamp(30px, 5.4vw, 56px); font-weight: 900; line-height: 1.12; letter-spacing: -.01em; }
.h2 { font-size: clamp(25px, 3.6vw, 40px); font-weight: 900; line-height: 1.18; letter-spacing: -.01em; }
.h3 { font-size: clamp(19px, 2vw, 23px);   font-weight: 800; line-height: 1.3; }
.lead { font-size: clamp(16px, 1.7vw, 19px); color: var(--text-muted); line-height: 1.75; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 800; letter-spacing: .14em;
  text-transform: uppercase; color: var(--sky-deep);
}
.text-muted { color: var(--text-muted); }

/* 防止中文标题/正文出现"一字换行"孤字（PC + 移动通用）
   balance：让多行标题尽量均分，避免末行单字
   pretty ：让正文末行不留孤字 */
.h1, .h2, .h3, .hero-title, .lead, .eyebrow,
.feature h3, .step h3, .plan-name, .qa summary, .stat .lbl,
.wish-points .pt-title, .posi-pill span, .legal-title, .legal-sec h2, .legal-sec h3 {
  text-wrap: balance;
}
p, .feature p, .step p, .wish-points .pt-desc, .legal-sec p, .qa .a {
  text-wrap: pretty;
}

/* ------------------------------------------------------------------ */
/* 4. 布局                                                             */
/* ------------------------------------------------------------------ */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: clamp(64px, 9vw, 116px) 0; position: relative; }
.section-head { max-width: 720px; margin: 0 auto clamp(40px, 5vw, 64px); text-align: center; }
.section-head .lead { margin-top: 16px; }
.section-head .eyebrow { margin-bottom: 16px; }

/* ------------------------------------------------------------------ */
/* 5. 通用组件                                                         */
/* ------------------------------------------------------------------ */

/* —— 按钮 —— */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-size: 16px; font-weight: 800; line-height: 1;
  padding: 15px 26px; border-radius: 999px;
  border: 2.5px solid var(--ink);
  transition: transform .16s cubic-bezier(.34,1.56,.64,1),
              box-shadow .16s ease, background-color .16s ease;
  will-change: transform;
}
.btn:active { transform: translate(2px, 2px); }
.btn-primary { background: var(--gold); color: var(--ink); box-shadow: var(--hard); }
.btn-primary:hover { transform: translate(-2px, -2px); box-shadow: var(--hard-lg); background: #FFCB3D; }
.btn-dark { background: var(--ink); color: #fff; box-shadow: 4px 4px 0 rgba(16,38,63,.28); }
.btn-dark:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 rgba(16,38,63,.30); }
.btn-ghost { background: #fff; color: var(--ink); box-shadow: var(--hard); }
.btn-ghost:hover { transform: translate(-2px, -2px); box-shadow: var(--hard-lg); background: var(--paper-2); }
.btn-lg { padding: 17px 32px; font-size: 17px; }
.btn-block { width: 100%; }

/* —— 像素卡（招牌组件）—— */
.pcard {
  background: var(--card);
  border: 2.5px solid var(--ink);
  border-radius: var(--r);
  box-shadow: var(--hard);
  transition: transform .2s cubic-bezier(.34,1.4,.64,1), box-shadow .2s ease;
}
.pcard:hover { transform: translate(-3px, -3px); box-shadow: var(--hard-lg); }

/* —— 彩色图标徽（像素方块感）—— */
.ichip {
  width: 54px; height: 54px; flex: none;
  display: grid; place-items: center;
  border: 2.5px solid var(--ink);
  border-radius: 15px;
  font-size: 26px; line-height: 1;
  box-shadow: var(--hard-sm);
}

/* —— 小标签 chip —— */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 800;
  padding: 6px 12px; border-radius: 999px;
  border: 2px solid var(--ink); background: #fff;
}
.chip-star { background: #FFF3CC; }

/* —— 四角彩块装饰（呼应 app 图标）—— */
.corner-dots { display: inline-flex; gap: 5px; }
.corner-dots i { width: 11px; height: 11px; border: 2px solid var(--ink); border-radius: 3px; }
.corner-dots i:nth-child(1){ background: var(--gold); }
.corner-dots i:nth-child(2){ background: var(--sky-2); }
.corner-dots i:nth-child(3){ background: var(--coral); }

/* 配色变体 */
.bg-sky   { background: var(--sky-2); }
.bg-blue  { background: #C9DBFB; }
.bg-gold  { background: #FFE49B; }
.bg-coral { background: #FFD3DE; }
.bg-green { background: #C3F0CF; }
.bg-orange{ background: #FFD9B0; }

/* ------------------------------------------------------------------ */
/* 6. 导航                                                             */
/* ------------------------------------------------------------------ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background-color .25s ease, box-shadow .25s ease, border-color .25s ease;
  border-bottom: 2.5px solid transparent;
}
.nav.scrolled {
  background: rgba(255, 251, 243, .86);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-bottom-color: var(--ink);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-brand { display: flex; align-items: center; gap: 10px; font-weight: 900; font-size: 18px; }
.nav-brand img { height: 38px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  font-size: 15px; font-weight: 700; color: var(--ink);
  padding: 9px 14px; border-radius: 999px; transition: background-color .16s ease, color .16s ease;
}
.nav-links a:hover { background: rgba(22,38,63,.07); }
.nav-links a.is-current { background: rgba(22,38,63,.09); }
.nav-cta { margin-left: 8px; }
.mobile-menu { display: none; }   /* 默认隐藏，仅移动端展开时显示 */
.nav-toggle { display: none; width: 44px; height: 44px; border-radius: 12px; border: 2.5px solid var(--ink); background: #fff; box-shadow: var(--hard-sm); }
.nav-toggle span { display: block; width: 20px; height: 2.5px; background: var(--ink); margin: 3px auto; border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }
.nav-toggle.open span:nth-child(1){ transform: translateY(5.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity: 0; }
.nav-toggle.open span:nth-child(3){ transform: translateY(-5.5px) rotate(-45deg); }

/* ------------------------------------------------------------------ */
/* 7. 英雄区                                                           */
/* ------------------------------------------------------------------ */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(120px, 16vw, 168px) 0 clamp(64px, 9vw, 104px);
  background:
    radial-gradient(120% 90% at 50% -8%, var(--sky-1) 0%, #BDEBE6 38%, var(--paper) 72%);
}
.hero-grid {
  display: grid; gap: clamp(28px, 4vw, 56px); align-items: center;
  grid-template-columns: 1.05fr .95fr;
}
.hero-copy .eyebrow { margin-bottom: 18px; }
.hero-title { margin-bottom: 20px; }
.hero-title .accent { color: var(--blue-deep); position: relative; white-space: nowrap; }
.hero-title .accent::after {
  content: ""; position: absolute; left: 0; right: -2px; bottom: 4px; height: 12px; z-index: -1;
  background: var(--gold); border-radius: 4px; transform: rotate(-1deg);
}
.hero-sub { max-width: 540px; margin-bottom: 30px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero-trust { margin-top: 26px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; font-size: 14px; font-weight: 700; color: var(--text-muted); }
.hero-trust .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--green); }

/* 英雄区视觉舞台 */
.hero-stage { position: relative; display: grid; place-items: center; min-height: 380px; }
.hero-logo {
  width: min(86%, 420px); height: auto; position: relative; z-index: 3;
  filter: drop-shadow(0 26px 34px rgba(16,38,63,.22));
  animation: floaty 6s ease-in-out infinite;
}
/* 漂浮装饰卡 */
.float {
  position: absolute; z-index: 4;
  background: #fff; border: 2.5px solid var(--ink); border-radius: 16px;
  box-shadow: var(--hard); padding: 11px 14px;
  display: flex; align-items: center; gap: 9px; font-weight: 800; font-size: 14px;
  white-space: nowrap;
}
.float .ichip { width: 38px; height: 38px; font-size: 19px; border-radius: 11px; box-shadow: 2px 2px 0 var(--ink); }
.float-1 { top: 6%;  left: -2%;  animation: floaty 5s ease-in-out infinite; }
.float-2 { bottom: 10%; right: -3%; animation: floaty 5.6s ease-in-out .6s infinite; }
.float-3 { bottom: 32%; left: -6%; animation: floaty 6.4s ease-in-out .3s infinite; }

/* 闪烁星点 */
.spark { position: absolute; z-index: 2; color: var(--gold); font-size: 22px; animation: twinkle 3.4s ease-in-out infinite; }
.spark.s2 { animation-delay: .8s; } .spark.s3 { animation-delay: 1.6s; } .spark.s4 { animation-delay: 2.3s; }

@keyframes floaty { 0%,100%{ transform: translateY(0); } 50%{ transform: translateY(-12px); } }
@keyframes twinkle { 0%,100%{ opacity:.25; transform: scale(.82) rotate(0); } 50%{ opacity:1; transform: scale(1.15) rotate(8deg); } }

/* 底部像素地平线 */
.hero-ground { position: absolute; left: 0; right: 0; bottom: 0; height: 26px; z-index: 1;
  background:
    repeating-linear-gradient(90deg, var(--green) 0 22px, var(--green-deep) 22px 44px);
  border-top: 3px solid var(--ink); opacity: .9;
}

/* ------------------------------------------------------------------ */
/* 8. 数据/信任条                                                      */
/* ------------------------------------------------------------------ */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat { text-align: center; padding: 26px 16px; }
.stat .num { font-size: clamp(28px, 4vw, 42px); font-weight: 900; color: var(--ink); line-height: 1; }
.stat .num small { font-size: .5em; }
.stat .lbl { margin-top: 10px; font-size: 14px; font-weight: 700; color: var(--text-muted); }

/* ------------------------------------------------------------------ */
/* 9. 核心机制：愿望值                                                  */
/* ------------------------------------------------------------------ */
.wish-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 4vw, 56px); align-items: center; }
.wish-demo { display: flex; flex-direction: column; gap: 16px; }
.demo-card { padding: 18px 20px; }
.demo-card .row { display: flex; align-items: center; gap: 14px; }
.demo-card .title { font-weight: 800; font-size: 16px; }
.demo-card .sub { font-size: 13px; color: var(--text-muted); margin-top: 2px; }
.reward-chip { margin-left: auto; font-weight: 900; color: var(--gold-deep); font-size: 15px; white-space: nowrap; }

/* 进度条 */
.progress { margin-top: 14px; }
.progress .bar { height: 18px; border: 2.5px solid var(--ink); border-radius: 999px; background: #fff; overflow: hidden; }
.progress .fill {
  height: 100%; width: 0;
  background: repeating-linear-gradient(90deg, var(--gold) 0 14px, var(--gold-deep) 14px 18px);
  border-radius: 999px; transition: width 1.4s cubic-bezier(.22,1,.36,1);
}
.progress .meta { display: flex; justify-content: space-between; margin-top: 9px; font-size: 13px; font-weight: 800; color: var(--text-muted); }

.wish-points { display: flex; flex-direction: column; gap: 18px; }
.wish-points li { display: flex; gap: 14px; align-items: flex-start; }
.wish-points .ichip { width: 46px; height: 46px; font-size: 22px; }
.wish-points .pt-title { font-weight: 800; font-size: 17px; }
.wish-points .pt-desc { font-size: 14.5px; color: var(--text-muted); margin-top: 3px; }

/* ------------------------------------------------------------------ */
/* 10. 功能网格                                                        */
/* ------------------------------------------------------------------ */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature { padding: 28px 24px; }
.feature .ichip { margin-bottom: 18px; }
.feature h3 { margin-bottom: 9px; }
.feature p { font-size: 14.5px; color: var(--text-muted); line-height: 1.7; }

/* ------------------------------------------------------------------ */
/* 11. 运作步骤                                                        */
/* ------------------------------------------------------------------ */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: step; }
.step { position: relative; padding: 30px 24px 26px; text-align: left; }
.step .stepnum {
  position: absolute; top: -18px; left: 22px;
  width: 44px; height: 44px; border-radius: 13px;
  display: grid; place-items: center; font-weight: 900; font-size: 20px;
  border: 2.5px solid var(--ink); background: var(--gold); color: var(--ink); box-shadow: var(--hard-sm);
}
.step h3 { margin: 18px 0 9px; }
.step p { font-size: 14.5px; color: var(--text-muted); line-height: 1.7; }

/* ------------------------------------------------------------------ */
/* 12. PRO 订阅                                                        */
/* ------------------------------------------------------------------ */
.pricing { display: grid; grid-template-columns: repeat(2, minmax(0, 380px)); gap: 24px; justify-content: center; align-items: stretch; }
.plan { padding: 32px 30px; display: flex; flex-direction: column; }
.plan.featured { background: var(--ink); color: #fff; box-shadow: var(--hard-lg); }
.plan.featured .plan-name,
.plan.featured .price { color: #fff; }
.plan-tag { align-self: flex-start; margin-bottom: 16px; }
.plan.featured .plan-tag { background: var(--gold); }
.plan-name { font-size: 19px; font-weight: 800; }
.price { display: flex; align-items: baseline; gap: 4px; margin: 14px 0 4px; }
.price .cur { font-size: 22px; font-weight: 800; }
.price .amt { font-size: 50px; font-weight: 900; line-height: 1; letter-spacing: -.02em; }
.price .per { font-size: 15px; font-weight: 700; color: var(--text-muted); }
.plan.featured .price .per { color: rgba(255,255,255,.7); }
.plan-note { font-size: 13.5px; font-weight: 700; color: var(--gold-deep); margin-bottom: 22px; }
.plan.featured .plan-note { color: var(--gold); }
.plan .btn { margin-top: auto; }

.benefits { margin: 22px 0; display: grid; gap: 13px; }
.benefits li { display: flex; gap: 11px; align-items: flex-start; font-size: 14.5px; font-weight: 600; line-height: 1.5; }
.benefits .tick { flex: none; width: 22px; height: 22px; border-radius: 7px; display: grid; place-items: center; background: var(--green); border: 2px solid var(--ink); font-size: 12px; color: var(--ink); font-weight: 900; margin-top: 1px; }
.plan.featured .benefits .tick { background: var(--gold); }
.pricing-fine { text-align: center; margin-top: 26px; font-size: 13px; color: var(--text-muted); }
.pricing-fine a { color: var(--sky-deep); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }

/* ------------------------------------------------------------------ */
/* 13. FAQ                                                             */
/* ------------------------------------------------------------------ */
.faq { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.qa { padding: 4px 22px; overflow: hidden; }
.qa summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 14px; padding: 20px 0; font-weight: 800; font-size: 16.5px; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary .q-ic { margin-left: auto; flex: none; width: 30px; height: 30px; border-radius: 9px; border: 2.5px solid var(--ink); display: grid; place-items: center; font-size: 18px; font-weight: 900; transition: transform .25s ease, background-color .2s ease; background: var(--paper-2); }
.qa[open] summary .q-ic { transform: rotate(45deg); background: var(--gold); }
.qa .a { padding: 0 0 22px; font-size: 14.5px; color: var(--text-muted); line-height: 1.75; }
.qa .a strong { color: var(--ink); }

/* ------------------------------------------------------------------ */
/* 14. 关于 / 主体信息                                                 */
/* ------------------------------------------------------------------ */
.about { background: linear-gradient(180deg, var(--paper-2), var(--paper-3)); }
.about-card { max-width: 880px; margin: 0 auto; padding: clamp(30px, 4vw, 48px); }
.about-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 36px; align-items: center; }
.about-info dl { display: grid; grid-template-columns: auto 1fr; gap: 13px 18px; font-size: 15px; }
.about-info dt { font-weight: 800; color: var(--ink); white-space: nowrap; }
.about-info dd { color: var(--text-muted); font-weight: 600; }
.about-info dd a { color: var(--sky-deep); font-weight: 700; }
.positioning { display: flex; flex-direction: column; gap: 14px; }
.posi-pill { display: flex; align-items: center; gap: 12px; padding: 14px 18px; border: 2.5px solid var(--ink); border-radius: 14px; background: #fff; font-weight: 700; box-shadow: var(--hard-sm); }
.posi-label {
  flex: none; min-width: 44px; padding: 3px 8px;
  border: 2px solid var(--ink); border-radius: 999px;
  background: #C9DBFB; font-size: 12px; text-align: center;
}
.posi-pill:nth-child(2) .posi-label { background: #FFF3CC; }
.posi-pill:nth-child(3) .posi-label { background: #C3F0CF; }

/* ------------------------------------------------------------------ */
/* 15. 终幕 CTA                                                        */
/* ------------------------------------------------------------------ */
.finale { text-align: center; }
.finale-card {
  position: relative; overflow: hidden;
  max-width: 920px; margin: 0 auto; padding: clamp(40px, 6vw, 72px) 28px;
  background: radial-gradient(120% 130% at 50% 0%, var(--sky-1), #BFEDE7 55%, #fff 100%);
  border: 2.5px solid var(--ink); border-radius: var(--r-lg); box-shadow: var(--hard-lg);
}
.finale-card .house { width: 96px; height: auto; margin: 0 auto 22px; animation: floaty 5s ease-in-out infinite; }
.finale-card .h2 { margin-bottom: 16px; }
.finale-card .lead { max-width: 520px; margin: 0 auto 30px; }
.finale-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ------------------------------------------------------------------ */
/* 16. 页脚                                                            */
/* ------------------------------------------------------------------ */
.footer { background: var(--ink); color: rgba(255,255,255,.78); padding: clamp(48px,6vw,72px) 0 32px; }
.footer a { color: rgba(255,255,255,.78); transition: color .15s ease; }
.footer a:hover { color: #fff; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.14); }
.footer-brand img { width: auto; height: 40px; margin-bottom: 18px; background: var(--paper); padding: 9px 14px; border-radius: 14px; box-shadow: var(--hard-sm); }
.footer-brand p { font-size: 14px; line-height: 1.7; max-width: 280px; color: rgba(255,255,255,.62); }
.footer-col h3 { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.72); margin-bottom: 16px; font-weight: 800; }
.footer-col ul { display: flex; flex-direction: column; gap: 11px; font-size: 14.5px; }
.footer-bottom { padding-top: 26px; display: flex; flex-wrap: wrap; gap: 10px 24px; align-items: center; justify-content: space-between; font-size: 13px; color: rgba(255,255,255,.55); }
.footer-beian { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; }
.footer-beian a:hover { text-decoration: underline; }
.footer-positioning { font-size: 12.5px; color: rgba(255,255,255,.62); }

/* ------------------------------------------------------------------ */
/* 17. 滚动揭示动效                                                    */
/* ------------------------------------------------------------------ */
.reveal { opacity: 1; transform: none; }
.motion-ready .reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s cubic-bezier(.22,1,.36,1); }
.motion-ready .reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; } .reveal.d4 { transition-delay: .32s; }

/* ------------------------------------------------------------------ */
/* 18. 法律页（隐私 / 协议）                                            */
/* ------------------------------------------------------------------ */
.legal { padding-top: 120px; padding-bottom: 80px; background: var(--paper); min-height: 100vh; }
.legal-wrap { max-width: 820px; margin: 0 auto; padding: 0 24px; }
.legal-back { display: inline-flex; align-items: center; gap: 7px; font-weight: 700; font-size: 14px; color: var(--sky-deep); margin-bottom: 24px; }
.legal-title { font-size: clamp(28px, 4vw, 40px); font-weight: 900; }
.legal-date { display: inline-block; margin-top: 12px; padding: 5px 14px; border: 2px solid var(--ink); border-radius: 999px; background: var(--paper-2); font-size: 13px; font-weight: 800; color: var(--brown); }
.legal-body { margin-top: 36px; }
.legal-sec { background: var(--card-warm); border: 2.5px solid var(--ink); border-radius: var(--r); box-shadow: var(--hard-sm); padding: 26px 28px; margin-bottom: 20px; }
.legal-sec h2 { font-size: 19px; font-weight: 900; margin-bottom: 14px; color: var(--ink); }
.legal-sec h3 { font-size: 15.5px; font-weight: 800; margin: 16px 0 7px; color: var(--ink-2); }
.legal-sec p { font-size: 15px; color: #5C4A35; line-height: 1.8; margin-bottom: 9px; word-break: break-word; }
.legal-sec p.em { font-weight: 800; color: var(--ink); }
.legal-sec a { color: var(--sky-deep); text-decoration: underline; text-underline-offset: 2px; word-break: break-all; }
.legal-foot { text-align: center; margin-top: 30px; font-size: 13px; color: var(--text-muted); line-height: 1.8; }
.legal-foot a { color: var(--sky-deep); }

/* ------------------------------------------------------------------ */
/* 19. 响应式                                                          */
/* ------------------------------------------------------------------ */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-copy { order: 2; }
  .hero-stage { order: 1; min-height: 320px; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-cta, .hero-trust { justify-content: center; }
  .wish-wrap, .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  :root { --hard: 3px 3px 0 var(--ink); --hard-lg: 5px 5px 0 var(--ink); }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .menu-ready .nav-toggle { display: block; }
  /* 抽屉菜单 */
  .nav.menu-open { background: rgba(255,251,243,.97); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-bottom-color: var(--ink); }
  .mobile-menu {
    display: flex; flex-direction: column; gap: 4px; padding: 8px 0 18px;
    border-top: 2px solid var(--hairline); margin-top: 0;
  }
  .menu-ready .mobile-menu { display: none; }
  .menu-ready .nav.menu-open .mobile-menu { display: flex; }
  .mobile-menu a { padding: 13px 14px; border-radius: 12px; font-weight: 700; font-size: 16px; }
  .mobile-menu a:hover { background: rgba(22,38,63,.06); }
  .mobile-menu a.is-current { background: rgba(22,38,63,.09); }
  .mobile-menu .btn { margin-top: 8px; }
  body.menu-lock { overflow: hidden; }

  .stats { grid-template-columns: 1fr 1fr; gap: 10px; }
  .feature-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 30px; }
  .step .stepnum { width: 40px; height: 40px; }
  .pricing { grid-template-columns: 1fr; }
  .float { font-size: 12.5px; padding: 9px 11px; }
  .float-1 { left: 0; top: 0; } .float-2 { right: 0; bottom: 6%; } .float-3 { display: none; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .section { padding: 64px 0; }
}

/* ------------------------------------------------------------------ */
/* 20. 降级动效（无障碍）                                              */
/* ------------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    transition-delay: 0ms !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
}