/* ============================================================
   漫蛙3 — 主题站群共用样式表
   Copyright (c) manwamanhua3.com.cn
   ============================================================ */

/* ---------- 1. 变量与基础 ---------- */
:root {
  --brand: #FF6B3D;
  --brand-2: #FF9A52;
  --brand-soft: #FFF0E8;
  --teal: #17B8A6;
  --teal-2: #6EE2C8;
  --teal-soft: #E6FAF6;
  --purple: #6C5CE7;
  --purple-soft: #EFECFE;
  --yellow: #FFC93C;
  --yellow-soft: #FFF6DC;
  --cream: #FFF9F4;
  --ink: #23252E;
  --ink-2: #3B3E4C;
  --muted: #6E7385;
  --line: #F1EAE3;
  --white: #FFFFFF;
  --shadow-sm: 0 4px 16px rgba(58, 34, 18, .06);
  --shadow-md: 0 12px 34px rgba(58, 34, 18, .09);
  --shadow-lg: 0 22px 60px rgba(58, 34, 18, .14);
  --radius: 18px;
  --radius-lg: 28px;
  --max: 1180px;
  --nav-h: 74px;
}

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

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

body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", sans-serif;
  background: var(--cream);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

::selection { background: var(--brand); color: #fff; }

/* ---------- 2. 通用布局 ---------- */
.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 22px; }
.section { padding: 78px 0; }
.section--tight { padding: 54px 0; }
.section--soft { background: linear-gradient(180deg, #FFFDFB 0%, var(--cream) 100%); }
.section--teal { background: linear-gradient(160deg, #F0FBF8 0%, #FDFBF7 100%); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: .14em;
  color: var(--brand); text-transform: uppercase;
  background: var(--brand-soft); border-radius: 999px;
  padding: 7px 16px; margin-bottom: 16px;
}
.eyebrow .fa-solid { font-size: 13px; }
.eyebrow--teal { color: #0E8C7E; background: var(--teal-soft); }
.eyebrow--purple { color: #4B3FCB; background: var(--purple-soft); }

.section-head { max-width: 760px; margin: 0 auto 46px; text-align: center; }
.section-head h2 {
  font-size: clamp(24px, 3.4vw, 36px); line-height: 1.3; font-weight: 800;
  letter-spacing: -.01em; color: var(--ink);
}
.section-head p { margin-top: 14px; color: var(--muted); font-size: 16px; }
.section-head--left { margin-left: 0; text-align: left; }

.grad-text {
  background: linear-gradient(96deg, var(--brand) 8%, #FF9A52 52%, var(--yellow) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------- 3. 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-size: 16px; font-weight: 700; border-radius: 999px;
  padding: 13px 30px; transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  white-space: nowrap;
}
.btn .fa-solid { font-size: 15px; }
.btn--primary {
  background: linear-gradient(96deg, var(--brand) 0%, var(--brand-2) 100%);
  color: #fff; box-shadow: 0 10px 26px rgba(255, 107, 61, .34);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(255, 107, 61, .42); }
.btn--ghost {
  background: #fff; color: var(--ink-2);
  box-shadow: inset 0 0 0 1.5px var(--line), var(--shadow-sm);
}
.btn--ghost:hover { color: var(--brand); box-shadow: inset 0 0 0 1.5px #FFCFB8, var(--shadow-md); transform: translateY(-2px); }
.btn--teal { background: linear-gradient(96deg, #12A695 0%, var(--teal-2) 100%); color: #fff; box-shadow: 0 10px 26px rgba(23, 184, 166, .3); }
.btn--teal:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(23, 184, 166, .4); }
.btn--lg { font-size: 17px; padding: 16px 42px; }
.btn--block { width: 100%; }

/* ---------- 4. 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 120;
  background: rgba(255, 249, 244, .88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(241, 234, 227, .9);
}
.nav {
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
}
.brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand__logo {
  width: 42px; height: 42px; border-radius: 12px;
  box-shadow: 0 6px 16px rgba(255, 107, 61, .28);
}
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__name { font-size: 20px; font-weight: 800; letter-spacing: .01em; color: var(--ink); }
.brand__sub { font-size: 10.5px; font-weight: 600; letter-spacing: .18em; color: var(--muted); }

.nav__links { display: flex; align-items: center; gap: 4px; }
.nav__links a {
  font-size: 15px; font-weight: 600; color: var(--ink-2);
  padding: 9px 14px; border-radius: 10px; transition: all .18s ease;
}
.nav__links a:hover { color: var(--brand); background: var(--brand-soft); }
.nav__links a.is-active { color: var(--brand); background: var(--brand-soft); }

.nav__cta { display: flex; align-items: center; gap: 10px; }
.nav__toggle {
  display: none; width: 44px; height: 44px; border-radius: 12px;
  background: #fff; box-shadow: var(--shadow-sm);
  align-items: center; justify-content: center; font-size: 19px; color: var(--ink);
}
.nav__toggle .fa-xmark { display: none; }
.nav__toggle.is-open .fa-bars { display: none; }
.nav__toggle.is-open .fa-xmark { display: block; }

/* ---------- 5. Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: 62px 0 74px;
  background:
    radial-gradient(720px 380px at 88% 4%, #FFE9DC 0%, rgba(255, 233, 220, 0) 62%),
    radial-gradient(560px 340px at 4% 88%, #E4FAF5 0%, rgba(228, 250, 245, 0) 60%),
    linear-gradient(180deg, #FFFDFB 0%, var(--cream) 100%);
}
.hero__grid { display: grid; grid-template-columns: 1.06fr .94fr; gap: 52px; align-items: center; }
.hero h1 {
  font-size: clamp(30px, 4.4vw, 50px); line-height: 1.2; font-weight: 800;
  letter-spacing: -.02em; margin-bottom: 18px;
}
.hero__lead { font-size: 17px; color: var(--muted); max-width: 540px; margin-bottom: 24px; }
.hero__points { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 15px; font-size: 14px; font-weight: 600; color: var(--ink-2);
  box-shadow: var(--shadow-sm);
}
.chip .fa-solid { color: var(--brand); font-size: 13px; }
.chip--teal .fa-solid { color: var(--teal); }
.chip--purple .fa-solid { color: var(--purple); }

.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-bottom: 26px; }
.hero__note { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.hero__note .fa-solid { color: var(--teal); }

.hero__stats { display: flex; flex-wrap: wrap; gap: 34px; padding-top: 24px; border-top: 1px dashed var(--line); }
.hero__stat b { display: block; font-size: 26px; font-weight: 800; color: var(--ink); line-height: 1.2; }
.hero__stat span { font-size: 13px; color: var(--muted); }

.hero__visual { position: relative; display: flex; justify-content: center; }
.hero__device {
  width: min(100%, 336px); height: auto;
  filter: drop-shadow(0 26px 54px rgba(58, 34, 18, .26));
}
.float-card {
  position: absolute; background: #fff; border-radius: 16px; padding: 12px 16px;
  box-shadow: var(--shadow-md); display: flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 700; color: var(--ink-2);
}
.float-card i { font-size: 16px; }
.float-card--a { top: 12%; left: -6%; }
.float-card--a i { color: var(--brand); }
.float-card--b { bottom: 12%; right: -6%; }
.float-card--b i { color: var(--teal); }
.float-card--c { bottom: 40%; left: -9%; }
.float-card--c i { color: var(--purple); }

/* ---------- 6. 卖点卡片 ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature-card {
  background: #fff; border-radius: var(--radius-lg); padding: 30px 26px;
  box-shadow: var(--shadow-sm); border: 1px solid var(--line);
  transition: transform .22s ease, box-shadow .22s ease;
}
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.feature-card__icon {
  width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center;
  font-size: 22px; color: #fff; margin-bottom: 18px;
}
.ic-brand { background: linear-gradient(140deg, var(--brand), var(--brand-2)); }
.ic-teal { background: linear-gradient(140deg, #12A695, var(--teal-2)); }
.ic-purple { background: linear-gradient(140deg, #5B4BD6, #9E92F5); }
.ic-yellow { background: linear-gradient(140deg, #F5A623, var(--yellow)); }
.ic-blue { background: linear-gradient(140deg, #2E86DE, #7EC4FF); }
.ic-pink { background: linear-gradient(140deg, #E95C7B, #FFA2B8); }
.feature-card h3 { font-size: 18.5px; font-weight: 800; margin-bottom: 10px; }
.feature-card p { font-size: 14.6px; color: var(--muted); line-height: 1.8; }

/* ---------- 7. 截图展示 ---------- */
.shots { display: grid; grid-template-columns: 1.25fr .75fr; gap: 34px; align-items: center; }
.shots__stage {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  background: linear-gradient(160deg, #FFF3EA, #EAF9F6);
  padding: 22px; display: grid; place-items: center; box-shadow: var(--shadow-md);
}
.shots__stage img { border-radius: 22px; max-height: 620px; width: auto; box-shadow: var(--shadow-md); }
.shots__list {
  display: flex; flex-direction: column; gap: 12px;
  max-height: 640px; overflow-y: auto; padding-right: 6px;
  scrollbar-width: thin;
}
.shots__list::-webkit-scrollbar { width: 6px; }
.shots__list::-webkit-scrollbar-thumb { background: #E7DFD7; border-radius: 99px; }
.shots__list::-webkit-scrollbar-track { background: transparent; }
.shot-item {
  display: flex; align-items: center; gap: 14px; text-align: left;
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 12px 14px; transition: all .18s ease; box-shadow: var(--shadow-sm);
}
.shot-item img { width: 42px; height: 74px; object-fit: cover; object-position: top; border-radius: 9px; flex-shrink: 0; }
.shot-item b { display: block; font-size: 15px; font-weight: 700; color: var(--ink); }
.shot-item span { font-size: 12.8px; color: var(--muted); }
.shot-item:hover { border-color: #FFCFB8; transform: translateX(4px); }
.shot-item.is-active { border-color: var(--brand); background: var(--brand-soft); box-shadow: 0 8px 22px rgba(255, 107, 61, .16); }
.shot-item.is-active b { color: var(--brand); }

/* ---------- 8. 深度内容入口 ---------- */
.deep-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.deep-card {
  display: block; background: #fff; border-radius: var(--radius-lg);
  padding: 28px 24px 26px; border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  position: relative; overflow: hidden; transition: transform .22s ease, box-shadow .22s ease;
}
.deep-card::after {
  content: ""; position: absolute; right: -34px; top: -34px; width: 96px; height: 96px;
  border-radius: 50%; background: var(--brand-soft); opacity: .75;
}
.deep-card:nth-child(2)::after { background: var(--teal-soft); }
.deep-card:nth-child(3)::after { background: var(--purple-soft); }
.deep-card:nth-child(4)::after { background: var(--yellow-soft); }
.deep-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.deep-card__icon { font-size: 24px; margin-bottom: 14px; color: var(--brand); position: relative; z-index: 1; }
.deep-card:nth-child(2) .deep-card__icon { color: var(--teal); }
.deep-card:nth-child(3) .deep-card__icon { color: var(--purple); }
.deep-card:nth-child(4) .deep-card__icon { color: #D89A00; }
.deep-card h3 { font-size: 18px; font-weight: 800; margin-bottom: 9px; position: relative; z-index: 1; }
.deep-card p { font-size: 14.4px; color: var(--muted); margin-bottom: 16px; position: relative; z-index: 1; }
.deep-card__more { font-size: 14px; font-weight: 700; color: var(--brand); display: inline-flex; align-items: center; gap: 6px; position: relative; z-index: 1; }
.deep-card:nth-child(2) .deep-card__more { color: var(--teal); }
.deep-card:nth-child(3) .deep-card__more { color: var(--purple); }
.deep-card:nth-child(4) .deep-card__more { color: #C98F00; }
.deep-card:hover .deep-card__more { gap: 11px; }

/* ---------- 9. 功能详解行 ---------- */
.row-feature { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: center; padding: 30px 0; }
.row-feature:nth-child(even) .row-feature__media { order: -1; }
.row-feature__media {
  border-radius: var(--radius-lg); padding: 20px; display: grid; place-items: center;
  background: linear-gradient(160deg, #FFF1E7, #FDFBF6); box-shadow: var(--shadow-sm);
}
.row-feature__media img { border-radius: 18px; max-height: 520px; width: auto; box-shadow: var(--shadow-sm); }
.row-feature h3 { font-size: 24px; font-weight: 800; margin-bottom: 14px; }
.row-feature p { color: var(--muted); margin-bottom: 16px; font-size: 15.4px; }
.tick-list { display: grid; gap: 10px; }
.tick-list li { display: flex; gap: 10px; font-size: 15px; color: var(--ink-2); align-items: flex-start; }
.tick-list .fa-solid { color: var(--teal); font-size: 15px; margin-top: 6px; flex-shrink: 0; }

/* ---------- 10. 用户评价 ---------- */
.quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.quote-card {
  background: #fff; border-radius: var(--radius-lg); padding: 28px 26px;
  border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; gap: 16px;
}
.quote-card__top { display: flex; align-items: center; gap: 13px; }
.avatar {
  width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center;
  font-weight: 800; color: #fff; font-size: 17px; flex-shrink: 0;
}
.quote-card__who b { display: block; font-size: 15px; font-weight: 700; }
.quote-card__who span { font-size: 12.6px; color: var(--muted); }
.stars { color: var(--yellow); font-size: 13px; letter-spacing: 2px; }
.quote-card p { font-size: 14.8px; color: var(--ink-2); line-height: 1.85; flex: 1; }
.quote-card__tag { font-size: 12.5px; font-weight: 700; color: var(--brand); background: var(--brand-soft); border-radius: 999px; padding: 5px 12px; align-self: flex-start; }

.rating-band {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 40px; margin-top: 40px; padding: 26px 30px;
  background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--line); box-shadow: var(--shadow-sm);
}
.rating-band__item { text-align: center; }
.rating-band__item b { display: block; font-size: 28px; font-weight: 800; color: var(--brand); line-height: 1.2; }
.rating-band__item span { font-size: 13px; color: var(--muted); }

/* ---------- 11. FAQ ---------- */
.faq { max-width: 880px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.faq-q {
  width: 100%; display: flex; align-items: center; gap: 14px; text-align: left;
  padding: 20px 22px; font-size: 16.4px; font-weight: 700; color: var(--ink);
}
.faq-q .q-mark {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 9px; display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand); font-size: 13px; font-weight: 800;
}
.faq-q .chev { margin-left: auto; color: var(--muted); font-size: 14px; transition: transform .25s ease; }
.faq-item.is-open .faq-q .chev { transform: rotate(180deg); color: var(--brand); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .32s ease; }
.faq-a__inner { padding: 0 22px 22px 64px; color: var(--muted); font-size: 14.8px; line-height: 1.9; }
.faq-a__inner strong { color: var(--ink-2); }
.faq-a__inner a { color: var(--brand); font-weight: 700; border-bottom: 1px dashed #FFC3A8; }
.faq-item.is-open { border-color: #FFD3BD; }
.faq-item.is-open .faq-q .q-mark { background: var(--brand); color: #fff; }

/* ---------- 12. CTA 下载通道 ---------- */
.cta {
  position: relative; overflow: hidden;
  border-radius: var(--radius-lg); padding: 56px 48px;
  background: linear-gradient(120deg, #FF6B3D 0%, #FF9A52 52%, #FFC93C 100%);
  color: #fff; display: grid; grid-template-columns: 1.35fr .65fr; gap: 34px; align-items: center;
  box-shadow: 0 26px 60px rgba(255, 122, 66, .34);
}
.cta::before {
  content: ""; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px;
  border-radius: 50%; background: rgba(255, 255, 255, .16);
}
.cta::after {
  content: ""; position: absolute; left: -60px; bottom: -120px; width: 260px; height: 260px;
  border-radius: 50%; background: rgba(255, 255, 255, .12);
}
.cta__body { position: relative; z-index: 1; }
.cta h2 { font-size: clamp(23px, 3vw, 33px); font-weight: 800; margin-bottom: 12px; line-height: 1.28; }
.cta p { font-size: 15.4px; color: rgba(255, 255, 255, .93); margin-bottom: 24px; max-width: 560px; }
.cta .btn--ghost { background: #fff; color: var(--brand); box-shadow: 0 12px 28px rgba(120, 50, 10, .2); }
.cta__qr { position: relative; z-index: 1; text-align: center; }
.cta__qr .phone-mini { width: 190px; margin: 0 auto; border-radius: 26px; box-shadow: 0 18px 40px rgba(120, 50, 10, .28); }
.cta__qr small { display: block; margin-top: 12px; font-size: 12.6px; color: rgba(255, 255, 255, .92); }
.cta__meta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; position: relative; z-index: 1; }
.cta__meta span {
  font-size: 13px; font-weight: 600; background: rgba(255, 255, 255, .2);
  border: 1px solid rgba(255, 255, 255, .35); border-radius: 999px; padding: 7px 15px;
}

/* ---------- 13. 页脚 ---------- */
.site-footer { background: #23252E; color: #C9CCD6; padding: 58px 0 26px; margin-top: 10px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 36px; padding-bottom: 34px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.footer-brand { display: flex; align-items: center; gap: 11px; margin-bottom: 16px; }
.footer-brand img { width: 40px; height: 40px; border-radius: 11px; }
.footer-brand b { font-size: 19px; color: #fff; font-weight: 800; }
.footer-about { font-size: 13.8px; line-height: 1.85; color: #9EA3B0; max-width: 330px; }
.footer-col h4 { font-size: 14.5px; color: #fff; font-weight: 700; margin-bottom: 16px; }
.footer-col a { display: block; font-size: 13.8px; color: #9EA3B0; padding: 5px 0; transition: color .18s ease; }
.footer-col a:hover { color: var(--brand-2); }
.footer-disclaimer {
  margin-top: 26px; padding: 16px 20px; border-radius: 14px;
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .08);
  font-size: 13px; line-height: 1.85; color: #A8ADBA;
}
.footer-disclaimer b { color: #E7E9EF; }
.footer-bottom {
  margin-top: 24px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .1);
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between;
  font-size: 12.8px; color: #8A8F9C;
}

/* ---------- 14. 内页头部 / 面包屑 ---------- */
.page-hero {
  padding: 48px 0 40px;
  background:
    radial-gradient(600px 300px at 90% 0%, #FFE9DC 0%, rgba(255, 233, 220, 0) 60%),
    linear-gradient(180deg, #FFFDFB 0%, var(--cream) 100%);
  border-bottom: 1px solid var(--line);
}
.crumbs { font-size: 13.4px; color: var(--muted); margin-bottom: 16px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.crumbs a:hover { color: var(--brand); }
.crumbs .fa-solid { font-size: 10px; color: #C4C8D2; }
.page-hero h1 { font-size: clamp(26px, 3.8vw, 40px); font-weight: 800; line-height: 1.25; letter-spacing: -.015em; margin-bottom: 14px; }
.page-hero p { color: var(--muted); max-width: 780px; font-size: 16px; }
.page-hero__meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }

/* ---------- 15. 文章排版 ---------- */
.article { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 46px; align-items: start; }
.prose { min-width: 0; }
.prose > * + * { margin-top: 18px; }
.prose h2 {
  font-size: clamp(21px, 2.5vw, 27px); font-weight: 800; line-height: 1.4;
  margin-top: 46px; padding-left: 16px; border-left: 5px solid var(--brand); border-radius: 3px;
}
.prose h3 { font-size: 18.6px; font-weight: 800; margin-top: 30px; color: var(--ink); }
.prose h3 .num {
  display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 9px;
  background: var(--brand); color: #fff; font-size: 13px; margin-right: 9px; vertical-align: 2px;
}
.prose p { color: var(--ink-2); font-size: 15.8px; }
.prose a { color: var(--brand); font-weight: 700; border-bottom: 1px dashed #FFC3A8; }
.prose a:hover { border-bottom-style: solid; }
.prose ul, .prose ol { display: grid; gap: 10px; padding-left: 2px; }
.prose ul li, .prose ol li { position: relative; padding-left: 26px; color: var(--ink-2); font-size: 15.6px; }
.prose ul li::before {
  content: "\f058"; font-family: "Font Awesome 6 Free"; font-weight: 900;
  position: absolute; left: 0; top: 1px; color: var(--teal); font-size: 14px;
}
.prose ol { counter-reset: olc; }
.prose ol li { padding-left: 34px; counter-increment: olc; }
.prose ol li::before {
  content: counter(olc); position: absolute; left: 0; top: 3px;
  width: 23px; height: 23px; border-radius: 8px; background: var(--brand-soft); color: var(--brand);
  font-size: 12.5px; font-weight: 800; display: grid; place-items: center;
}
.prose blockquote {
  background: #fff; border-radius: var(--radius); padding: 20px 24px;
  border-left: 4px solid var(--teal); box-shadow: var(--shadow-sm); color: var(--ink-2); font-size: 15.4px;
}
.prose blockquote cite { display: block; margin-top: 10px; font-size: 13.4px; color: var(--muted); font-style: normal; }

.callout {
  display: flex; gap: 14px; background: var(--teal-soft);
  border: 1px solid #C9F0E7; border-radius: var(--radius); padding: 20px 22px;
}
.callout .fa-solid { color: var(--teal); font-size: 19px; margin-top: 3px; flex-shrink: 0; }
.callout b { color: #0E8C7E; }
.callout p { font-size: 14.8px; color: var(--ink-2); }
.callout--warn { background: var(--yellow-soft); border-color: #FFE6AC; }
.callout--warn .fa-solid, .callout--warn b { color: #B8860B; }

.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow-sm); background: #fff; }
table { width: 100%; border-collapse: collapse; min-width: 560px; }
th, td { padding: 14px 18px; text-align: left; font-size: 14.8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #FFF7F2; font-weight: 800; color: var(--ink); white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
td strong { color: var(--brand); }

.steps { display: grid; gap: 18px; counter-reset: stepc; }
.step {
  display: grid; grid-template-columns: 54px 1fr; gap: 18px; align-items: start;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; box-shadow: var(--shadow-sm); counter-increment: stepc;
}
.step__no {
  width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center;
  font-size: 21px; font-weight: 800; color: #fff;
  background: linear-gradient(140deg, var(--brand), var(--brand-2));
}
.step:nth-child(3n+2) .step__no { background: linear-gradient(140deg, #12A695, var(--teal-2)); }
.step:nth-child(3n) .step__no { background: linear-gradient(140deg, #5B4BD6, #9E92F5); }
.step h3 { font-size: 18px; font-weight: 800; margin-bottom: 8px; }
.step p { font-size: 14.8px; color: var(--muted); }
.step .tip { display: inline-flex; align-items: center; gap: 7px; margin-top: 10px; font-size: 13.2px; color: #0E8C7E; background: var(--teal-soft); border-radius: 8px; padding: 5px 11px; }

/* ---------- 16. 侧栏 ---------- */
.side { position: sticky; top: calc(var(--nav-h) + 18px); display: grid; gap: 20px; }
.side-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px 22px; box-shadow: var(--shadow-sm); }
.side-card h4 { font-size: 16.4px; font-weight: 800; margin-bottom: 14px; display: flex; align-items: center; gap: 9px; }
.side-card h4 .fa-solid { color: var(--brand); font-size: 15px; }
.side-links { display: grid; gap: 4px; }
.side-links a { font-size: 14.4px; color: var(--ink-2); padding: 8px 10px; border-radius: 10px; display: flex; align-items: center; gap: 9px; transition: all .18s ease; }
.side-links a .fa-solid { font-size: 11px; color: #C4C8D2; transition: color .18s ease; }
.side-links a:hover { background: var(--brand-soft); color: var(--brand); }
.side-links a:hover .fa-solid { color: var(--brand); }
.side-card--cta { background: linear-gradient(150deg, #FFF3EA, #FFFDFB); border-color: #FFE0CE; text-align: center; }
.side-card--cta p { font-size: 14px; color: var(--muted); margin: 8px 0 16px; }

/* ---------- 17. 回到顶部 ---------- */
.to-top {
  position: fixed; right: 22px; bottom: 26px; width: 46px; height: 46px; border-radius: 14px;
  background: #fff; color: var(--brand); box-shadow: var(--shadow-md);
  display: grid; place-items: center; font-size: 17px; z-index: 90;
  opacity: 0; visibility: hidden; transform: translateY(12px); transition: all .25s ease;
}
.to-top.is-show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--brand); color: #fff; }

/* ---------- 18. 滚动浮现（渐进增强：无 JS 时内容必须可见） ---------- */
.reveal { transition: opacity .6s ease, transform .6s ease; }
.js .reveal { opacity: 0; transform: translateY(22px); }
.js .reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal, .js .reveal.is-in { opacity: 1; transform: none; transition: none; }
}

/* ---------- 19. 响应式 ---------- */
@media (max-width: 980px) {
  .deep-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .article { grid-template-columns: 1fr; gap: 34px; }
  .side { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .nav__links {
    position: fixed; inset: var(--nav-h) 0 auto 0; flex-direction: column; align-items: stretch;
    background: rgba(255, 249, 244, .98); backdrop-filter: blur(14px);
    padding: 14px 22px 22px; gap: 4px; box-shadow: var(--shadow-md);
    border-bottom: 1px solid var(--line);
    transform: translateY(-140%); transition: transform .3s ease; z-index: 110;
  }
  .nav__links.is-open { transform: translateY(0); }
  .nav__links a { padding: 13px 14px; font-size: 16px; }
  .nav__toggle { display: flex; }
  .nav__cta .btn { padding: 11px 20px; font-size: 15px; }
  .hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { order: -1; }
  .shots { grid-template-columns: 1fr; }
  .shots__list { flex-direction: row; overflow-x: auto; overflow-y: visible; max-height: none; padding-bottom: 6px; }
  .shot-item { min-width: 210px; }
  .row-feature { grid-template-columns: 1fr; gap: 30px; padding: 18px 0; }
  .row-feature:nth-child(even) .row-feature__media { order: 0; }
  .quote-grid { grid-template-columns: 1fr; }
  .cta { grid-template-columns: 1fr; padding: 40px 30px; text-align: left; }
  .cta__qr { display: none; }
  .float-card--a, .float-card--c { left: 0; }
  .float-card--b { right: 0; }
}

@media (max-width: 620px) {
  .section { padding: 54px 0; }
  .feature-grid, .deep-grid { grid-template-columns: 1fr; }
  .hero { padding: 40px 0 54px; }
  .hero__stats { gap: 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .rating-band { gap: 24px; padding: 22px; }
  .cta { padding: 32px 22px; }
  .page-hero { padding: 34px 0 30px; }
  .step { grid-template-columns: 1fr; gap: 12px; padding: 20px; }
  .faq-a__inner { padding-left: 22px; }
  .to-top { right: 14px; bottom: 16px; }
}