@charset "utf-8";
/* ==========================================================================
   拷贝漫画 (kaobei.org.cn) 站点主样式表
   配色：清新草绿 + 天蓝 + 暖橙 CTA
   ========================================================================== */

:root {
  --green-700: #128049;
  --green-600: #1B9A5B;
  --green-500: #27B36A;
  --green-300: #7FD8A8;
  --green-050: #EBF9F1;

  --sky-600: #1F86C4;
  --sky-500: #2E9BD8;
  --sky-300: #8FD0F0;
  --sky-050: #E9F5FC;

  --amber-600: #E97C11;
  --amber-500: #FF9F2E;
  --amber-400: #FFB65C;
  --amber-050: #FFF4E5;

  --ink-900: #12241B;
  --ink-800: #1D3A2B;
  --ink-700: #33513F;
  --ink-600: #4A6B58;
  --ink-500: #6A8878;
  --ink-400: #8CA497;

  --line: #DCEBE2;
  --line-soft: #EDF6F0;
  --bg: #F6FCF8;
  --bg-alt: #FFFFFF;
  --white: #FFFFFF;

  --radius-s: 10px;
  --radius-m: 16px;
  --radius-l: 24px;
  --radius-xl: 32px;

  --shadow-s: 0 2px 8px rgba(18, 64, 42, .06);
  --shadow-m: 0 10px 30px rgba(18, 64, 42, .09);
  --shadow-l: 0 24px 60px rgba(18, 64, 42, .13);

  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB",
    "Source Han Sans SC", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --font-num: "DIN Alternate", "Bahnschrift", "Segoe UI", var(--font-sans);

  --header-h: 68px;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-700);
  background: var(--bg);
  padding-top: var(--header-h);
}

img { max-width: 100%; height: auto; display: block; border: 0; }

a { color: var(--green-600); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--green-700); }

ul, ol { list-style: none; }

button { font-family: inherit; cursor: pointer; border: 0; background: none; }

h1, h2, h3, h4, h5 { color: var(--ink-900); line-height: 1.35; font-weight: 800; }

::selection { background: var(--green-300); color: var(--ink-900); }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }

.section { padding: 76px 0; }
.section--tight { padding: 54px 0; }
.section--alt { background: var(--bg-alt); }
.section--mint { background: linear-gradient(180deg, var(--green-050) 0%, rgba(235, 249, 241, 0) 100%); }
.section--sky { background: linear-gradient(180deg, var(--sky-050) 0%, rgba(233, 245, 252, 0) 100%); }

.section-head { max-width: 760px; margin: 0 auto 44px; text-align: center; }
.section-head--left { margin-left: 0; text-align: left; }

.section-head h2 {
  font-size: clamp(24px, 3.1vw, 34px);
  letter-spacing: -.4px;
  margin-bottom: 12px;
}

.section-head p {
  color: var(--ink-500);
  font-size: 16px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--green-600);
  background: var(--green-050);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 15px;
  margin-bottom: 18px;
}

.eyebrow i { font-size: 12px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  padding: 15px 30px;
  border-radius: 999px;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}

.btn i { font-size: 15px; }

.btn--primary {
  background: linear-gradient(135deg, var(--amber-500) 0%, var(--amber-600) 100%);
  color: #fff;
  box-shadow: 0 12px 26px rgba(233, 124, 17, .3);
}
.btn--primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(233, 124, 17, .38);
}

.btn--ghost {
  background: var(--white);
  color: var(--ink-800);
  border: 1.5px solid var(--line);
  box-shadow: var(--shadow-s);
}
.btn--ghost:hover { color: var(--green-700); border-color: var(--green-300); transform: translateY(-2px); }

.btn--green {
  background: linear-gradient(135deg, var(--green-500) 0%, var(--green-700) 100%);
  color: #fff;
  box-shadow: 0 12px 26px rgba(18, 128, 73, .26);
}
.btn--green:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 16px 34px rgba(18, 128, 73, .32); }

.btn--sm { padding: 11px 22px; font-size: 14.5px; }
.btn--lg { padding: 18px 40px; font-size: 17.5px; }
.btn--block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 900;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 6px 22px rgba(18, 64, 42, .07); }

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; }

.brand-logo {
  width: 40px; height: 40px;
  border-radius: 12px;
  box-shadow: 0 6px 14px rgba(27, 154, 91, .28);
}

.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-size: 20px; font-weight: 900; color: var(--ink-900); letter-spacing: .5px; }
.brand-sub { font-size: 10.5px; letter-spacing: 2.4px; color: var(--green-600); font-weight: 700; text-transform: uppercase; }

.main-nav { display: flex; align-items: center; gap: 4px; }

.main-nav a {
  display: block;
  padding: 9px 15px;
  border-radius: 999px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink-700);
}
.main-nav a:hover { background: var(--green-050); color: var(--green-700); }
.main-nav a.is-active { background: var(--green-050); color: var(--green-700); font-weight: 700; }

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

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: 12px;
  border: 1.5px solid var(--line);
  background: var(--white);
  color: var(--ink-800);
  font-size: 17px;
  align-items: center;
  justify-content: center;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 66px 0 78px;
  background:
    radial-gradient(circle at 12% 18%, rgba(127, 216, 168, .38) 0%, rgba(127, 216, 168, 0) 46%),
    radial-gradient(circle at 88% 12%, rgba(143, 208, 240, .40) 0%, rgba(143, 208, 240, 0) 44%),
    linear-gradient(170deg, #F2FBF6 0%, #F7FCFD 55%, #FFFFFF 100%);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(27, 154, 91, .14) 1.6px, transparent 1.7px);
  background-size: 22px 22px;
  opacity: .55;
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  gap: 54px;
  align-items: center;
}

.hero-copy { max-width: 600px; }

.hero h1 {
  font-size: clamp(30px, 4.5vw, 52px);
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero h1 .hl {
  background: linear-gradient(180deg, transparent 62%, rgba(255, 182, 92, .55) 62%);
  padding: 0 2px;
}

.hero-lead { font-size: 17.5px; color: var(--ink-600); margin-bottom: 28px; }

.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-bottom: 26px; }

.hero-meta {
  display: flex; flex-wrap: wrap; gap: 10px 22px;
  font-size: 14px; color: var(--ink-500); margin-bottom: 24px;
}
.hero-meta span { display: inline-flex; align-items: center; gap: 7px; }
.hero-meta i { color: var(--green-600); }

.hero-trust {
  display: flex; flex-wrap: wrap; align-items: center; gap: 14px 26px;
  padding-top: 22px;
  border-top: 1px dashed var(--line);
}

.trust-item { display: flex; align-items: center; gap: 11px; }
.trust-item .num { font-family: var(--font-num); font-size: 25px; font-weight: 800; color: var(--ink-900); line-height: 1.1; }
.trust-item .num em { font-style: normal; font-size: 15px; color: var(--green-600); }
.trust-item .lbl { font-size: 13px; color: var(--ink-500); }

/* Hero visual */
.hero-visual { position: relative; padding: 12px 0; }

.phone-stack { position: relative; display: flex; justify-content: center; align-items: flex-end; gap: 16px; }

.phone {
  position: relative;
  border-radius: 30px;
  border: 6px solid #1B3A2C;
  background: #1B3A2C;
  box-shadow: var(--shadow-l);
  overflow: hidden;
  flex-shrink: 0;
}
.phone img { width: 100%; border-radius: 24px; }

.phone--main { width: 232px; z-index: 3; }
.phone--side { width: 178px; z-index: 2; opacity: .96; }
.phone--side.p1 { transform: translateY(-26px) rotate(-4deg); }
.phone--side.p2 { transform: translateY(-14px) rotate(4deg); }

.float-card {
  position: absolute;
  z-index: 5;
  background: var(--white);
  border-radius: 14px;
  box-shadow: var(--shadow-m);
  padding: 11px 15px;
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 700; color: var(--ink-800);
}
.float-card i { font-size: 16px; }
.float-card--a { top: 8%; left: -6px; }
.float-card--b { bottom: 12%; right: -4px; }

/* ---------- Stats strip ---------- */
.stats-strip {
  position: relative;
  margin-top: -34px;
  z-index: 20;
}

.stats-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-m);
  padding: 26px 22px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.stat { text-align: center; padding: 4px 10px; border-right: 1px solid var(--line-soft); }
.stat:last-child { border-right: 0; }
.stat .v { font-family: var(--font-num); font-size: 29px; font-weight: 800; color: var(--green-700); line-height: 1.15; }
.stat .k { font-size: 13.5px; color: var(--ink-500); margin-top: 3px; }

/* ---------- Feature cards ---------- */
.grid { display: grid; gap: 20px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 26px 24px;
  box-shadow: var(--shadow-s);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  height: 100%;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-m); border-color: var(--green-300); }

.card-icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 19px;
  margin-bottom: 16px;
  background: var(--green-050);
  color: var(--green-700);
}
.card-icon.i-sky { background: var(--sky-050); color: var(--sky-600); }
.card-icon.i-amber { background: var(--amber-050); color: var(--amber-600); }

.card h3 { font-size: 18.5px; margin-bottom: 9px; }
.card p { font-size: 15px; color: var(--ink-500); line-height: 1.8; }

.card--flat { box-shadow: none; background: var(--bg); }
.card--flat:hover { box-shadow: var(--shadow-s); background: var(--white); }

/* ---------- Preview / screenshots ---------- */
.preview-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
  align-items: start;
}

.shot { text-align: center; }

.shot-frame {
  position: relative;
  border-radius: 24px;
  border: 5px solid #14301F;
  background: #14301F;
  box-shadow: var(--shadow-m);
  overflow: hidden;
}
.shot-frame img { border-radius: 19px; width: 100%; }

.shot figcaption { margin-top: 14px; font-size: 14.5px; font-weight: 700; color: var(--ink-800); }
.shot .shot-note { font-size: 13.5px; color: var(--ink-500); font-weight: 400; line-height: 1.7; margin-top: 3px; }

/* ---------- Split content ---------- */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 52px;
  align-items: center;
}

.split h2 { font-size: clamp(23px, 2.9vw, 32px); margin-bottom: 14px; letter-spacing: -.4px; }
.split h3 { font-size: 19px; margin: 22px 0 8px; }
.split p { margin-bottom: 14px; color: var(--ink-600); }

.check-list { margin: 18px 0 0; display: grid; gap: 12px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 15.5px; color: var(--ink-700); }
.check-list i {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--green-050);
  color: var(--green-700);
  font-size: 11px;
  display: flex; align-items: center; justify-content: center;
  margin-top: 4px;
}
.check-list b { color: var(--ink-900); }

.stat-panel {
  background: linear-gradient(150deg, var(--green-600) 0%, #17906C 52%, var(--sky-600) 100%);
  border-radius: var(--radius-l);
  padding: 34px 30px;
  color: #fff;
  box-shadow: var(--shadow-l);
}
.stat-panel h3 { color: #fff; font-size: 20px; margin-bottom: 6px; }
.stat-panel > p { color: rgba(255, 255, 255, .82); font-size: 14.5px; margin-bottom: 22px; }
.stat-panel .rows { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.stat-panel .row {
  background: rgba(255, 255, 255, .13);
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: var(--radius-s);
  padding: 14px 15px;
}
.stat-panel .row .v { font-family: var(--font-num); font-size: 23px; font-weight: 800; line-height: 1.2; }
.stat-panel .row .k { font-size: 12.5px; color: rgba(255, 255, 255, .8); }

/* ---------- Topic entries ---------- */
.topic-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 30px 28px;
  box-shadow: var(--shadow-s);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  height: 100%;
}
.topic-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-m); border-color: var(--green-300); }

.topic-tag {
  display: inline-block;
  font-size: 12px; font-weight: 700; letter-spacing: 1px;
  color: var(--green-700); background: var(--green-050);
  border-radius: 6px; padding: 4px 10px;
  align-self: flex-start; margin-bottom: 14px;
}
.topic-card h3 { font-size: 20px; margin-bottom: 10px; }
.topic-card p { font-size: 15px; color: var(--ink-500); flex-grow: 1; }
.topic-card .more { margin-top: 18px; font-weight: 700; font-size: 15px; display: inline-flex; align-items: center; gap: 8px; }
.topic-card .more i { font-size: 12px; transition: transform .2s ease; }
.topic-card:hover .more i { transform: translateX(4px); }

/* ---------- Reviews ---------- */
.review {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 24px 22px;
  box-shadow: var(--shadow-s);
  height: 100%;
  display: flex; flex-direction: column;
}
.review .stars { color: var(--amber-500); font-size: 13px; letter-spacing: 2px; margin-bottom: 12px; }
.review blockquote { font-size: 15px; color: var(--ink-600); line-height: 1.85; flex-grow: 1; }
.review .who { display: flex; align-items: center; gap: 11px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line-soft); }
.avatar {
  width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; color: #fff; font-size: 15px;
  background: linear-gradient(135deg, var(--green-500), var(--sky-500));
  flex-shrink: 0;
}
.avatar.a2 { background: linear-gradient(135deg, var(--sky-500), var(--green-500)); }
.avatar.a3 { background: linear-gradient(135deg, var(--amber-500), var(--green-500)); }
.review .who .n { font-size: 14.5px; font-weight: 700; color: var(--ink-900); }
.review .who .d { font-size: 12.5px; color: var(--ink-400); }

/* ---------- FAQ accordion ---------- */
.faq-list { display: grid; gap: 12px; max-width: 900px; margin: 0 auto; }

.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.faq-item.is-open { border-color: var(--green-300); box-shadow: var(--shadow-s); }

.faq-q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  text-align: left;
  padding: 19px 22px;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--ink-900);
  line-height: 1.6;
}
.faq-q .faq-ico {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--green-050);
  color: var(--green-700);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px;
  transition: transform .25s ease, background .25s ease;
}
.faq-item.is-open .faq-ico { transform: rotate(180deg); background: var(--green-500); color: #fff; }

.faq-a { display: none; padding: 0 22px 21px; }
.faq-item.is-open .faq-a { display: block; }
.faq-a p { font-size: 15.5px; color: var(--ink-600); line-height: 1.85; }
.faq-a p + p { margin-top: 10px; }
.faq-a strong, .faq-a b { color: var(--ink-900); font-weight: 700; }

/* ---------- Download band ---------- */
.dl-band {
  position: relative;
  background: linear-gradient(140deg, #0F6E48 0%, var(--green-600) 45%, var(--sky-600) 100%);
  border-radius: var(--radius-xl);
  padding: 52px 46px;
  color: #fff;
  overflow: hidden;
  box-shadow: var(--shadow-l);
}
.dl-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, .18) 1.6px, transparent 1.7px);
  background-size: 20px 20px;
  opacity: .5;
  pointer-events: none;
}
.dl-band-inner { position: relative; display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 36px; align-items: center; }
.dl-band h2 { color: #fff; font-size: clamp(23px, 2.9vw, 32px); margin-bottom: 12px; letter-spacing: -.4px; }
.dl-band p { color: rgba(255, 255, 255, .85); font-size: 16px; margin-bottom: 8px; }
.dl-band .dl-meta { font-size: 13.5px; color: rgba(255, 255, 255, .75); margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px 20px; }
.dl-band .dl-meta i { margin-right: 6px; }
.dl-band-actions { display: flex; flex-direction: column; gap: 12px; align-items: stretch; }
.dl-band-actions .btn { width: 100%; }
.dl-note { font-size: 12.5px; color: rgba(255, 255, 255, .72); text-align: center; margin-top: 2px; }

/* ---------- Breadcrumb / page hero ---------- */
.page-hero {
  position: relative;
  padding: 54px 0 46px;
  background:
    radial-gradient(circle at 8% 10%, rgba(127, 216, 168, .34) 0%, rgba(127, 216, 168, 0) 50%),
    linear-gradient(165deg, #F1FBF6 0%, #FFFFFF 100%);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(27, 154, 91, .12) 1.6px, transparent 1.7px);
  background-size: 22px 22px;
  opacity: .5;
  pointer-events: none;
}
.page-hero .container { position: relative; }

.breadcrumb { font-size: 13.5px; color: var(--ink-400); display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 16px; }
.breadcrumb a { color: var(--ink-500); }
.breadcrumb a:hover { color: var(--green-700); }
.breadcrumb i { font-size: 10px; color: var(--ink-400); }

.page-hero h1 { font-size: clamp(27px, 3.8vw, 40px); letter-spacing: -.7px; margin-bottom: 14px; }
.page-hero .page-lead { max-width: 800px; font-size: 17px; color: var(--ink-600); }
.page-hero .page-lead + .page-lead { margin-top: 10px; }
.page-hero-meta { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 20px; font-size: 14px; color: var(--ink-500); }
.page-hero-meta span { display: inline-flex; align-items: center; gap: 7px; }
.page-hero-meta i { color: var(--green-600); }

/* ---------- Article typography ---------- */
.article { max-width: 900px; }
.article h2 {
  font-size: clamp(22px, 2.7vw, 29px);
  margin: 46px 0 6px;
  padding-left: 16px;
  border-left: 5px solid var(--green-500);
  border-radius: 2px;
  letter-spacing: -.3px;
}
.article h2:first-child { margin-top: 0; }
.article .h2-sub { color: var(--ink-500); font-size: 15.5px; margin: 10px 0 22px; padding-left: 21px; }
.article h3 { font-size: 19.5px; margin: 30px 0 10px; }
.article h4 { font-size: 17px; margin: 22px 0 8px; }
.article p { margin-bottom: 16px; font-size: 16px; color: var(--ink-600); line-height: 1.9; }
.article ul, .article ol { margin: 0 0 18px; display: grid; gap: 11px; }
.article ul li { position: relative; padding-left: 26px; font-size: 15.8px; color: var(--ink-600); line-height: 1.85; }
.article ul li::before {
  content: "";
  position: absolute; left: 6px; top: 12px;
  width: 8px; height: 8px; border-radius: 3px;
  background: var(--green-300);
}
.article ol { counter-reset: art; }
.article ol li { position: relative; padding-left: 38px; font-size: 15.8px; color: var(--ink-600); line-height: 1.85; counter-increment: art; }
.article ol li::before {
  content: counter(art);
  position: absolute; left: 0; top: 4px;
  width: 24px; height: 24px; border-radius: 8px;
  background: var(--green-050); color: var(--green-700);
  font-size: 12.5px; font-weight: 800; font-family: var(--font-num);
  display: flex; align-items: center; justify-content: center;
}
.article strong, .article b { color: var(--ink-900); font-weight: 700; }

.callout {
  background: var(--amber-050);
  border: 1px solid #FBDDB4;
  border-left: 5px solid var(--amber-500);
  border-radius: var(--radius-s);
  padding: 18px 20px;
  margin: 22px 0;
  font-size: 15.3px;
  color: #7A4A0B;
}
.callout strong { color: #6A3F07; }
.callout i { color: var(--amber-600); margin-right: 8px; }

.callout--green { background: var(--green-050); border-color: var(--line); border-left-color: var(--green-500); color: var(--ink-700); }
.callout--green strong { color: var(--ink-900); }
.callout--green i { color: var(--green-600); }

/* ---------- Step timeline ---------- */
.steps { display: grid; gap: 18px; counter-reset: st; }
.step {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 24px 26px;
  box-shadow: var(--shadow-s);
}
.step-no {
  width: 46px; height: 46px; border-radius: 14px;
  background: linear-gradient(135deg, var(--green-500), var(--sky-500));
  color: #fff; font-family: var(--font-num); font-weight: 800; font-size: 19px;
  display: flex; align-items: center; justify-content: center;
}
.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { font-size: 15.3px; color: var(--ink-500); line-height: 1.85; margin-bottom: 0; }
.step ul li { font-size: 15.3px; }
.step b, .step strong { color: var(--ink-900); font-weight: 700; }

/* ---------- Table ---------- */
.table-wrap { border: 1px solid var(--line); border-radius: var(--radius-m); background: var(--white); box-shadow: var(--shadow-s); overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 620px; }
thead th {
  background: var(--green-050);
  color: var(--ink-900);
  font-size: 14.5px;
  font-weight: 800;
  text-align: left;
  padding: 15px 18px;
  white-space: nowrap;
}
tbody td { padding: 15px 18px; font-size: 14.8px; color: var(--ink-600); border-top: 1px solid var(--line-soft); line-height: 1.75; }
tbody tr:hover td { background: #FAFEFB; }
tbody td strong { color: var(--ink-900); }

/* ---------- Related links ---------- */
.related { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.related a {
  display: flex; align-items: center; gap: 13px;
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius-m); padding: 18px 20px;
  font-size: 15.5px; font-weight: 700; color: var(--ink-900);
  box-shadow: var(--shadow-s);
  transition: transform .2s ease, border-color .2s ease, color .2s ease;
}
.related a:hover { transform: translateY(-3px); border-color: var(--green-300); color: var(--green-700); }
.related .ic {
  flex-shrink: 0; width: 38px; height: 38px; border-radius: 12px;
  background: var(--green-050); color: var(--green-700);
  display: flex; align-items: center; justify-content: center; font-size: 15px;
}
.related small { display: block; font-size: 12.5px; font-weight: 500; color: var(--ink-400); margin-top: 2px; }

/* ---------- Footer ---------- */
.site-footer {
  background: #0F2A1E;
  color: rgba(255, 255, 255, .72);
  padding: 56px 0 30px;
  font-size: 14.5px;
}
.footer-top { display: grid; grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr)); gap: 36px; padding-bottom: 34px; border-bottom: 1px solid rgba(255, 255, 255, .12); }

.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-sub { color: var(--green-300); }
.footer-brand p { margin-top: 16px; font-size: 14px; color: rgba(255, 255, 255, .66); line-height: 1.85; max-width: 340px; }

.footer-col h4 { color: #fff; font-size: 15.5px; margin-bottom: 14px; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a { color: rgba(255, 255, 255, .68); font-size: 14.5px; }
.footer-col a:hover { color: var(--green-300); }

.footer-bottom { padding-top: 24px; display: grid; gap: 14px; }
.disclaimer {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radius-s);
  padding: 14px 18px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, .7);
  line-height: 1.8;
}
.disclaimer i { color: var(--green-300); margin-right: 8px; }
.copyright { font-size: 13.5px; color: rgba(255, 255, 255, .5); display: flex; flex-wrap: wrap; gap: 6px 18px; }

/* ---------- Back to top ---------- */
.to-top {
  position: fixed;
  right: 20px; bottom: 24px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-m);
  color: var(--green-700);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all .25s ease;
  z-index: 800;
}
.to-top.is-show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--green-600); color: #fff; }

/* ---------- Mobile sticky download bar ---------- */
.m-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 850;
  display: none;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  box-shadow: 0 -6px 20px rgba(18, 64, 42, .08);
}
.m-bar .m-info { flex-grow: 1; min-width: 0; }
.m-bar .m-info .t { font-size: 14px; font-weight: 800; color: var(--ink-900); line-height: 1.3; }
.m-bar .m-info .s { font-size: 11.5px; color: var(--ink-400); }
.m-bar .btn { padding: 12px 22px; font-size: 15px; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .card:hover, .topic-card:hover, .btn:hover, .related a:hover { transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .hero-grid { gap: 34px; }
  .hero-visual { padding: 0; }
  .phone--main { width: 200px; }
  .phone--side { width: 152px; }
  .float-card { font-size: 12px; padding: 9px 12px; }
  .footer-top { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; }
}

@media (max-width: 980px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: var(--header-h); left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-m);
    padding: 12px 16px 18px;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .22s ease, transform .22s ease, visibility .22s;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .main-nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .main-nav a { padding: 13px 14px; border-radius: var(--radius-s); font-size: 16px; }
  .header-actions .btn { display: none; }

  .hero { padding: 44px 0 60px; }
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 40px; text-align: center; }
  .hero-copy { max-width: 640px; margin: 0 auto; }
  .hero-cta, .hero-meta, .hero-trust { justify-content: center; }
  .hero h1 { font-size: clamp(27px, 6.4vw, 38px); }
  .hero-visual { order: -1; }

  .section { padding: 58px 0; }
  .grid--3, .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split { grid-template-columns: minmax(0, 1fr); gap: 34px; }
  .preview-row { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
  .preview-row .shot:last-child { grid-column: 1 / -1; max-width: 320px; margin: 0 auto; }
  .dl-band { padding: 40px 28px; }
  .dl-band-inner { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .related { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats-card { grid-template-columns: repeat(2, 1fr); gap: 8px; padding: 20px 16px; }
  .stat { border-right: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line-soft); padding-top: 14px; }
  .m-bar { display: flex; }
  .to-top { bottom: 84px; }
  body { padding-bottom: 74px; }
}

@media (max-width: 640px) {
  body { font-size: 15.5px; }
  .container { padding: 0 16px; }
  .brand-name { font-size: 18px; }
  .brand-logo { width: 36px; height: 36px; }
  .section { padding: 46px 0; }
  .section-head { margin-bottom: 32px; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: minmax(0, 1fr); }
  .card { padding: 22px 20px; }
  .preview-row { grid-template-columns: minmax(0, 1fr); }
  .preview-row .shot:last-child { grid-column: auto; max-width: none; }
  .phone-stack { gap: 8px; }
  .phone--main { width: 40%; max-width: 170px; }
  .phone--side { width: 26%; max-width: 116px; }
  .phone--side.p1 { transform: translateY(-8px) rotate(-3deg); }
  .phone--side.p2 { transform: translateY(-4px) rotate(3deg); }
  .phone { border-width: 4px; border-radius: 22px; }
  .phone img { border-radius: 18px; }
  .float-card { display: none; }
  .hero-cta .btn { width: 100%; }
  .hero-trust { gap: 12px 18px; }
  .trust-item .num { font-size: 21px; }
  .related { grid-template-columns: minmax(0, 1fr); }
  .step { grid-template-columns: minmax(0, 1fr); gap: 14px; padding: 20px; }
  .step-no { width: 40px; height: 40px; font-size: 17px; }
  .footer-top { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .dl-band { padding: 32px 20px; border-radius: var(--radius-l); }
  .article h2 { padding-left: 13px; border-left-width: 4px; }
  .article .h2-sub { padding-left: 17px; }
  .stat-panel { padding: 26px 20px; }
  .stat-panel .rows { grid-template-columns: minmax(0, 1fr); }
  .faq-q { padding: 16px 17px; font-size: 15.5px; }
  .faq-a { padding: 0 17px 18px; }
  .m-bar .m-info .t { font-size: 13px; }
  .m-bar .btn { padding: 11px 18px; font-size: 14px; }
}