/* ==========================================================================
   CADENCE — LP-ELEC-002
   Forest green + coral. Poppins / Inter. No dependencies.
   --------------------------------------------------------------------------
   01. Fonts           07. Metrics list
   02. Tokens          08. Sale
   03. Base            09. Programs
   04. Header          10. App
   05. Hero            11. Quote
   06. Figures         12. Footer
                       13. Responsive
   ========================================================================== */

/* 01. Fonts ---------------------------------------------------------------- */
@font-face {
  font-family: "Poppins";
  src: url("../fonts/poppins-400.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Poppins";
  src: url("../fonts/poppins-500.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Poppins";
  src: url("../fonts/poppins-600.woff2") format("woff2");
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Poppins";
  src: url("../fonts/poppins-700.woff2") format("woff2");
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-latin.woff2") format("woff2");
  font-weight: 100 900; font-style: normal; font-display: swap;
}

/* 02. Tokens --------------------------------------------------------------- */
:root {
  --forest:       #3D6B57;
  --forest-deep:  #2C4E40;
  --forest-ink:   #1B3027;
  --coral:        #E2705C;
  --coral-soft:   #EFA391;
  --coral-pale:   #F7DCD5;
  --cream:        #F7F4F1;
  --paper:        #FFFFFF;
  --sage:         #EDF2EE;
  --ink:          #23201E;
  --ink-soft:     #45403B;
  --muted:        #726C66;
  --line:         #E4DED8;

  --wrap: 1280px;
  --gutter: clamp(20px, 5vw, 64px);
  --section-y: clamp(72px, 8.6vw, 128px);
  --radius: 18px;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* 03. Base ----------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.is-locked { overflow: hidden; }

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

h1, h2, h3 {
  font-family: "Poppins", "Inter", sans-serif;
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.022em;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.eyebrow {
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 18px;
}
.eyebrow--light { color: var(--coral-soft); }

.section-title {
  font-size: clamp(2rem, 3.9vw, 3.15rem);
  color: var(--ink);
}
.section-title--light { color: #fff; }

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 28px;
  border: 0;
  border-radius: 999px;
  font-family: "Poppins", sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .01em;
  cursor: pointer;
  transition: transform .35s var(--ease), background-color .35s var(--ease),
              color .35s var(--ease), box-shadow .35s var(--ease);
}
.btn--sm { padding: 11px 20px; font-size: 13px; }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: var(--forest-deep); transform: translateY(-2px); }
.btn--coral { background: var(--coral); color: #fff; }
.btn--coral:hover { background: #d2604c; transform: translateY(-2px); }
.btn--light { background: #fff; color: var(--forest-ink); }
.btn--light:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(0,0,0,.2); }
.btn--ghost {
  background: transparent;
  color: var(--forest);
  border: 1.5px solid rgba(61,107,87,.35);
  align-self: flex-start;
  margin-top: 6px;
}
.btn--ghost:hover { border-color: var(--forest); background: rgba(61,107,87,.06); }

/* reveal */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .75s var(--ease), transform .75s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* 04. Header --------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, .88);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background-color .3s var(--ease),
              box-shadow .3s var(--ease);
}
.site-header.is-stuck {
  border-bottom-color: var(--line);
  box-shadow: 0 6px 24px rgba(27, 48, 39, .06);
  backdrop-filter: saturate(1.4) blur(12px);
}

.site-header__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
  height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  justify-self: start;
  color: var(--forest-ink);
}
.brand__mark { width: 26px; height: 26px; color: var(--coral); flex: 0 0 auto; }
.brand__name {
  font-family: "Poppins", sans-serif;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.6vw, 38px);
}
.nav a {
  position: relative;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 6px 0;
  transition: color .25s var(--ease);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1.5px;
  background: var(--coral);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav a:hover, .nav a.is-active { color: var(--ink); }
.nav a:hover::after, .nav a.is-active::after { transform: scaleX(1); }

.site-header__aside { justify-self: end; display: flex; align-items: center; gap: 12px; }

.burger {
  display: none;
  width: 42px; height: 42px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
}
.burger span {
  display: block;
  width: 16px; height: 1.6px;
  margin: 4px auto;
  background: var(--ink);
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.burger[aria-expanded="true"] span:first-child { transform: translateY(3px) rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { transform: translateY(-3px) rotate(-45deg); }

/* 05. Hero ----------------------------------------------------------------- */
.hero { position: relative; background: var(--cream); overflow: hidden; }

.hero__stage {
  position: relative;
  min-height: min(86vh, 800px);
  min-height: min(86svh, 800px);
}

.hero__photo {
  position: absolute;
  inset: 0 auto 0 0;
  width: 54%;
  overflow: hidden;
}
.hero__photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 50% 9%;
  filter: saturate(.72) contrast(1.04);
}

.hero__panel {
  position: absolute;
  inset: 0 0 0 33%;
  background: var(--forest);
  display: flex;
  align-items: center;
  padding: clamp(48px, 6vw, 96px) clamp(28px, 5vw, 78px);
  padding-right: clamp(28px, 3vw, 48px);
  overflow: hidden;
}

.hero__rings {
  position: absolute;
  right: -6%;
  top: 50%;
  width: clamp(240px, 34vw, 520px);
  aspect-ratio: 1;
  transform: translateY(-50%);
  border-radius: 50%;
  background: var(--coral-soft);
  z-index: 1;
}
.hero__rings::before,
.hero__rings::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .34);
}
.hero__rings::before { inset: -9%; }
.hero__rings::after  { inset: -22%; border-color: rgba(255, 255, 255, .16); }

.hero__copy { position: relative; z-index: 2; max-width: 430px; }

.hero__title {
  font-size: clamp(2.5rem, 5.1vw, 4.35rem);
  color: #fff;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
}
.hero__title em {
  font-style: normal;
  color: var(--coral-pale);
}
.hero__lede {
  color: rgba(255, 255, 255, .8);
  font-size: clamp(.95rem, 1.1vw, 1.02rem);
  max-width: 38ch;
  margin-bottom: 30px;
}

.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; }

.badge-store {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px 10px 14px;
  border-radius: 12px;
  background: #1F2B24;
  color: #fff;
  transition: transform .3s var(--ease), background-color .3s var(--ease);
}
.badge-store:hover { transform: translateY(-2px); background: #17211B; }
.badge-store svg { width: 20px; height: 20px; flex: 0 0 auto; }
.badge-store span { display: flex; flex-direction: column; line-height: 1.15; }
.badge-store b { font-family: "Poppins", sans-serif; font-size: 12.5px; font-weight: 600; }
.badge-store i { font-style: normal; font-size: 11px; color: rgba(255,255,255,.66); }

/* 与 .hero__rings 同尺寸同位置，让读数落在圆心 */
.hero__disc {
  position: absolute;
  top: 50%;
  right: -6%;
  width: clamp(240px, 34vw, 520px);
  aspect-ratio: 1;
  transform: translateY(-50%);
  display: grid;
  place-items: center;
  z-index: 3;
  text-align: center;
  color: var(--forest-ink);
  pointer-events: none;
}
.hero__bpm { display: block; }
.hero__bpm b {
  display: block;
  font-family: "Poppins", sans-serif;
  font-size: clamp(1.6rem, 2.6vw, 2.4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
}
.hero__bpm i {
  display: block;
  margin-top: 6px;
  font-style: normal;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(27, 48, 39, .62);
}

.hero__bar { background: var(--forest-deep); }
.hero__specs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.hero__specs li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 22px clamp(12px, 2vw, 34px);
  border-left: 1px solid rgba(255, 255, 255, .12);
}
.hero__specs li:first-child { border-left: 0; padding-left: 0; }
.hero__specs span {
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .55);
}
.hero__specs b {
  font-family: "Poppins", sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
}

/* 06. Figures -------------------------------------------------------------- */
.figures { padding: clamp(56px, 6.4vw, 96px) 0; background: var(--paper); }

.figures__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(24px, 3vw, 48px);
}
.figures__item { border-top: 1px solid var(--line); padding-top: 22px; }
.figures__num {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-family: "Poppins", sans-serif;
  font-size: clamp(2.1rem, 3.4vw, 2.9rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--forest);
}
.figures__num i {
  font-style: normal;
  font-size: .38em;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--muted);
  text-transform: uppercase;
}
.figures__item p {
  margin-top: 12px;
  font-size: 14px;
  color: var(--muted);
  max-width: 30ch;
}

/* 07. Metrics list --------------------------------------------------------- */
.measure { padding: var(--section-y) 0; background: var(--cream); }

.measure__grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: clamp(36px, 5vw, 84px);
  align-items: start;
}

.measure__shot { position: relative; }
.measure__shot img {
  width: 100%;
  border-radius: var(--radius);
  background: #EDEDED;
}
.measure__shot figcaption {
  margin-top: 14px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
}

.measure__body .section-title { margin-bottom: clamp(30px, 3.4vw, 48px); }

.mlist { display: grid; gap: clamp(22px, 2.4vw, 34px); }
.mlist__item { display: flex; gap: 18px; }
.mlist__num {
  flex: 0 0 auto;
  width: 40px; height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--coral);
  color: #fff;
  font-family: "Poppins", sans-serif;
  font-size: 14px;
  font-weight: 600;
}
.mlist__item h3 {
  font-size: 1.06rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.mlist__item p { font-size: 14.5px; color: var(--muted); max-width: 46ch; }

/* 08. Sale ----------------------------------------------------------------- */
.sale { background: var(--coral); padding: var(--section-y) 0; }

.sale__grid {
  display: grid;
  grid-template-columns: 0.68fr 1.32fr;
  gap: clamp(24px, 3.4vw, 56px);
  align-items: center;
}

.sale__badge { color: #fff; }
.sale__kicker {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, .5);
}
.sale__pct {
  display: block;
  font-family: "Poppins", sans-serif;
  font-size: clamp(3.6rem, 7.4vw, 6.4rem);
  font-weight: 700;
  line-height: .92;
  letter-spacing: -0.045em;
  margin: 18px 0 12px;
}
.sale__pct i { font-style: normal; font-size: .42em; vertical-align: super; }
.sale__note {
  font-style: normal;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .78);
}

.sale__card {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  align-items: center;
  gap: clamp(16px, 2.2vw, 34px);
  background: var(--paper);
  border-radius: 26px;
  padding: clamp(26px, 3.2vw, 46px);
}
.sale__copy h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  margin-bottom: 12px;
}
.sale__copy > p { font-size: 14.5px; color: var(--muted); max-width: 40ch; }

.sale__price {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 20px 0 22px;
}
.sale__price s { color: var(--muted); font-size: 15px; }
.sale__price b {
  font-family: "Poppins", sans-serif;
  font-size: clamp(1.7rem, 2.6vw, 2.1rem);
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.sale__price i {
  font-style: normal;
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}

.sale__shot {
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--sage);
  overflow: hidden;
}
.sale__shot img { width: 100%; height: 100%; object-fit: cover; }

/* 09. Programs ------------------------------------------------------------- */
.programs { padding: var(--section-y) 0; background: var(--paper); }

.programs__head { max-width: 620px; margin-bottom: clamp(36px, 4.2vw, 64px); }
.programs__lede { margin-top: 18px; color: var(--muted); font-size: 15px; max-width: 52ch; }

.programs__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 2.4vw, 34px);
}

.pcard {
  display: flex;
  flex-direction: column;
  background: var(--cream);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.pcard:hover { transform: translateY(-4px); box-shadow: 0 22px 48px rgba(27,48,39,.1); }

.pcard__shot { position: relative; aspect-ratio: 4 / 3.1; overflow: hidden; }
.pcard__shot img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(.86) contrast(1.02);
  transition: transform .7s var(--ease);
}
.pcard:hover .pcard__shot img { transform: scale(1.045); }

.pcard__tag {
  position: absolute;
  left: 14px; top: 14px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .94);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--forest-ink);
}

.pcard__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 10px;
  padding: clamp(20px, 2.2vw, 30px);
}
.pcard__body h3 { font-size: 1.24rem; }
.pcard__body p { font-size: 14.5px; color: var(--muted); }
.pcard__meta {
  margin-top: auto;
  padding-top: 14px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--coral);
}

.pcard--build { background: var(--forest); }
.pcard--build h3 { color: #fff; }
.pcard--build p { color: rgba(255, 255, 255, .78); }
.pcard__list {
  display: grid;
  gap: 9px;
  margin: 8px 0 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, .18);
}
.pcard__list li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, .85);
}
.pcard__list li::before {
  content: "";
  position: absolute;
  left: 0; top: .62em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--coral-soft);
}
.pcard--build .btn--ghost {
  color: #fff;
  border-color: rgba(255,255,255,.45);
  margin-top: auto;
}
.pcard--build .btn--ghost:hover { background: rgba(255,255,255,.1); border-color: #fff; }

/* 10. App ------------------------------------------------------------------ */
.app {
  background: var(--forest-deep);
  padding: var(--section-y) 0;
  overflow: hidden;
}

.app__grid {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: clamp(36px, 5vw, 80px);
  align-items: center;
}

.app__visual { position: relative; display: flex; justify-content: center; }

.app__halo {
  position: absolute;
  width: min(420px, 74%);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .12);
  z-index: 0;
}
.app__halo::after {
  content: "";
  position: absolute;
  inset: -16%;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .07);
}

.phone {
  position: relative;
  z-index: 1;
  width: clamp(230px, 25vw, 292px);
  aspect-ratio: 1 / 2.02;
  border-radius: 40px;
  padding: 9px;
  background: #14241C;
  box-shadow: 0 40px 80px rgba(0, 0, 0, .38), 0 0 0 1px rgba(255,255,255,.06);
}
.phone__screen {
  height: 100%;
  border-radius: 32px;
  background: var(--cream);
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: hidden;
}

.phone__top { display: flex; flex-direction: column; gap: 3px; }
.phone__date {
  font-size: 9px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--muted);
}
.phone__greet { font-family: "Poppins", sans-serif; font-size: 13px; font-weight: 600; }

.phone__ring { position: relative; display: grid; place-items: center; margin: 4px 0 2px; }
.phone__ring svg { width: 96px; height: 96px; }
.phone__ringval {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.1;
}
.phone__ringval b {
  font-family: "Poppins", sans-serif;
  font-size: 23px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.phone__ringval i {
  font-style: normal;
  font-size: 8px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

.phone__chart { display: flex; flex-direction: column; gap: 6px; }
.phone__chart svg { width: 100%; height: 52px; }
.phone__chartlabel {
  font-size: 8.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

.phone__rows { display: grid; gap: 1px; background: var(--line); border-radius: 10px; overflow: hidden; }
.phone__rows li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  background: var(--paper);
}
.phone__rows span { font-size: 10.5px; color: var(--muted); }
.phone__rows b { font-family: "Poppins", sans-serif; font-size: 11.5px; font-weight: 600; }

.phone__week {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 4px 8px;
  padding: 12px 13px;
  border-radius: 10px;
  background: var(--sage);
}
.phone__weeklabel {
  font-size: 8.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.phone__weekval { font-family: "Poppins", sans-serif; font-size: 11px; font-weight: 600; }
.phone__bar {
  grid-column: 1 / -1;
  display: block;
  height: 4px;
  border-radius: 99px;
  background: rgba(61, 107, 87, .18);
  overflow: hidden;
}
.phone__bar i {
  display: block;
  width: 75%;
  height: 100%;
  border-radius: 99px;
  background: var(--forest);
}

.phone__tabs {
  margin-top: auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}
.phone__tabs span {
  height: 3px;
  border-radius: 99px;
  background: rgba(35, 32, 30, .12);
}
.phone__tabs .is-on { background: var(--coral); }

.app__body .section-title { margin-bottom: 20px; }
.app__lede { color: rgba(255, 255, 255, .76); font-size: 15px; max-width: 44ch; margin-bottom: 34px; }

.app__list { display: grid; gap: 24px; margin-bottom: 38px; }
.app__list li { padding-left: 20px; border-left: 2px solid rgba(239, 163, 145, .5); }
.app__list h3 { color: #fff; font-size: 1.04rem; margin-bottom: 5px; }
.app__list p { color: rgba(255, 255, 255, .7); font-size: 14px; max-width: 46ch; }

/* 11. Quote ---------------------------------------------------------------- */
.quote { background: var(--cream); padding: clamp(64px, 8vw, 118px) 0; }
.quote__inner { max-width: 900px; }

.quote blockquote {
  margin: 0;
  position: relative;
  padding-top: 46px;
}
.quote blockquote::before {
  content: "\201C";
  position: absolute;
  top: 0;
  left: -8px;
  font-family: "Poppins", sans-serif;
  font-size: 4.6rem;
  line-height: 1;
  color: var(--coral);
}
.quote blockquote p {
  font-family: "Poppins", sans-serif;
  font-size: clamp(1.28rem, 2.5vw, 1.9rem);
  font-weight: 500;
  line-height: 1.36;
  letter-spacing: -0.018em;
  color: var(--ink);
  text-wrap: balance;
}
.quote cite {
  display: block;
  margin-top: 30px;
  font-style: normal;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.quote cite b { display: block; font-family: "Poppins", sans-serif; font-size: 14px; font-weight: 600; }
.quote cite span { font-size: 12.5px; color: var(--muted); }

/* 12. Footer --------------------------------------------------------------- */
.site-footer { background: var(--forest-ink); color: rgba(255, 255, 255, .72); }
.footer__grid {
  display: grid;
  grid-template-columns: 1.7fr .9fr .9fr 1.1fr;
  gap: clamp(28px, 4vw, 64px);
  padding-top: clamp(56px, 6.4vw, 92px);
  padding-bottom: clamp(40px, 4.6vw, 64px);
}

.brand--light { color: #fff; margin-bottom: 18px; }
.footer__brand p { font-size: 13.5px; max-width: 34ch; color: rgba(255,255,255,.6); }

.subscribe {
  position: relative;
  display: flex;
  align-items: center;
  margin-top: 24px;
  max-width: 320px;
  border-bottom: 1px solid rgba(255, 255, 255, .24);
  transition: border-color .3s var(--ease);
}
.subscribe:focus-within { border-color: var(--coral-soft); }
.subscribe input {
  flex: 1;
  min-width: 0;
  padding: 12px 0;
  background: transparent;
  border: 0;
  color: #fff;
  font-size: 14px;
  outline: none;
}
.subscribe input::placeholder { color: rgba(255, 255, 255, .38); }
.subscribe button {
  width: 34px; height: 34px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 0;
  color: var(--coral-soft);
  cursor: pointer;
  transition: transform .3s var(--ease);
}
.subscribe button:hover { transform: translateX(3px); }
.subscribe button svg { width: 18px; height: 18px; }
.subscribe__msg {
  position: absolute;
  left: 0; top: 100%;
  padding-top: 8px;
  font-size: 11.5px;
  color: var(--coral-soft);
}

.footer__col h2 {
  font-family: "Inter", sans-serif;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .48);
  margin-bottom: 18px;
}
.footer__col a {
  display: block;
  padding: 5px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, .8);
  transition: color .25s var(--ease);
}
.footer__col a:hover { color: #fff; }
.footer__addr { margin-top: 14px; font-size: 13px; line-height: 1.5; color: rgba(255,255,255,.55); }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 22px;
  padding-bottom: 30px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  font-size: 12px;
  color: rgba(255, 255, 255, .5);
}
.footer__legal { display: flex; gap: 22px; }
.footer__legal a:hover { color: #fff; }

/* 13. Responsive ----------------------------------------------------------- */
@media (max-width: 1180px) {
  .hero__stage { min-height: min(80vh, 720px); }
  .hero__copy { max-width: 380px; }
  .measure__grid { grid-template-columns: 1fr 1.12fr; }
  .sale__card { grid-template-columns: 1fr 0.86fr; }
}

@media (max-width: 1024px) {
  .hero__panel { inset: 0 0 0 38%; }
  .hero__photo { width: 60%; }
  .hero__disc { display: none; }
  .figures__grid { grid-template-columns: repeat(2, 1fr); gap: 28px 32px; }
  .measure__grid { grid-template-columns: 1fr; }
  .measure__shot { max-width: 520px; }
  .sale__grid { grid-template-columns: 1fr; }
  .sale__badge { display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap; }
  .sale__pct { margin: 0; }
  .programs__grid { grid-template-columns: repeat(2, 1fr); }
  .pcard--build { grid-column: 1 / -1; }
  .app__grid { grid-template-columns: 1fr; gap: 48px; }
  .app__visual { order: 2; }
  .footer__grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer__col:last-child { grid-column: 1 / -1; }
  .footer__addr { margin-top: 8px; }
}

@media (max-width: 860px) {
  .site-header__inner { grid-template-columns: 1fr auto; height: 66px; }
  .burger { display: block; }
  .site-header__aside .btn--dark { display: none; }

  .nav {
    position: fixed;
    inset: 66px 0 auto;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 12px var(--gutter) 26px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s var(--ease), transform .3s var(--ease);
  }
  .nav.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .nav a {
    width: 100%;
    padding: 14px 0;
    font-family: "Poppins", sans-serif;
    font-size: 20px;
    font-weight: 500;
    border-bottom: 1px solid var(--line);
  }
  .nav a:last-child { border-bottom: 0; }
  .nav a::after { display: none; }

  .hero__stage { min-height: 0; display: flex; flex-direction: column; }
  .hero__photo { position: static; width: 100%; height: min(78vw, 420px); }
  .hero__photo img { object-position: 50% 10%; }
  .hero__panel {
    position: relative;   /* 必须relative，否则绝对定位的珊瑚圆会跑到图片上 */
    inset: auto;
    padding: 40px var(--gutter) 46px;
  }
  /* 珊瑚圆改为右上角四分之一圆：整圆会压在标题下方，白字对比不足 */
  .hero__rings {
    width: 118px;
    right: -36px;
    top: -36px;
    bottom: auto;
    transform: none;
    opacity: .92;
  }
  .hero__copy { max-width: none; }
  .hero__lede { max-width: 46ch; }

  /* 规格条改 flex 两列，避免 grid 的 min-content 撑宽导致第 3、4 项被裁 */
  .hero__specs { display: flex; flex-wrap: wrap; }
  .hero__specs li {
    flex: 0 0 50%;
    min-width: 0;
    justify-content: flex-start;
    gap: 10px;
    padding: 16px 0;
    border-left: 0;
  }
  .hero__specs li:nth-child(even) { padding-left: 18px; padding-right: 0; }
  .hero__specs li:nth-child(odd) { padding-right: 18px; }
  .hero__specs li:nth-child(n+3) { border-top: 1px solid rgba(255, 255, 255, .12); }
  .hero__specs b { margin-left: auto; }

  .programs__grid { grid-template-columns: 1fr; }
  .pcard--build { grid-column: auto; }
  .sale__card { grid-template-columns: 1fr; }
  .sale__shot { order: -1; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
  .footer__col:last-child { grid-column: auto; }
}

@media (max-width: 620px) {
  .figures__grid { grid-template-columns: 1fr; gap: 24px; }
  .hero__specs li { padding-block: 14px; }
  .hero__title { font-size: clamp(2.2rem, 10vw, 2.9rem); }
  .mlist__item { gap: 14px; }
  .mlist__num { width: 34px; height: 34px; font-size: 13px; }
  .quote blockquote::before { font-size: 4rem; top: -10px; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}