:root {
  --paper: #f3ede2;
  --paper-2: #faf7f0;
  --paper-3: #ece1cf;
  --ink: #241b16;
  --ink-2: #4d4036;
  --muted: #746457;
  --faint: #9a8878;
  --line: rgba(66, 49, 35, 0.15);
  --line-strong: rgba(66, 49, 35, 0.28);
  --cinnabar: #b13b2c;
  --cinnabar-2: #d25a43;
  --walnut: #2a1b15;
  --walnut-deep: #1a100c;
  --olive: #5f7154;
  --gold: #b9935f;
  --sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --serif: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --pad: clamp(1.25rem, 4vw, 4rem);
  --max: 1280px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(ellipse at 7% -5%, rgba(255, 253, 247, 0.85), transparent 40%),
    radial-gradient(ellipse at 97% 16%, rgba(226, 211, 188, 0.55), transparent 35%),
    var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  z-index: 9998;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.36'/%3E%3C/svg%3E");
  content: "";
  opacity: 0.12;
  pointer-events: none;
  mix-blend-mode: multiply;
}

::selection {
  background: var(--cinnabar);
  color: var(--paper-2);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
}

button,
summary,
a {
  -webkit-tap-highlight-color: transparent;
}

button,
summary {
  cursor: pointer;
}

h1,
h2,
h3,
p,
dl,
dd,
figure {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 4px;
}

.key-section :focus-visible,
.get :focus-visible,
.site-footer :focus-visible,
.manifesto :focus-visible {
  outline-color: #f0c7b4;
}

.container {
  width: min(calc(100% - var(--pad) * 2), var(--max));
  margin-inline: auto;
}

.section {
  position: relative;
  padding-block: clamp(5.5rem, 10vw, 9.5rem);
}

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

.skip-link {
  position: fixed;
  z-index: 10000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  border-radius: 6px;
  background: var(--ink);
  color: var(--paper);
  font-size: 13px;
  transform: translateY(-150%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: none;
}

/* Header */

.site-header {
  position: fixed;
  z-index: 60;
  top: 0;
  right: 0;
  left: 0;
}

.site-header::before {
  position: absolute;
  inset: 0;
  border-bottom: 1px solid transparent;
  background: rgba(243, 237, 226, 0.82);
  content: "";
  opacity: 0;
  transition: opacity 0.35s ease, border-color 0.35s ease;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.site-header.is-scrolled::before,
.site-header.is-open::before {
  border-bottom-color: var(--line);
  opacity: 1;
}

.nav-shell {
  position: relative;
  z-index: 2;
  display: flex;
  width: min(calc(100% - var(--pad) * 2), var(--max));
  height: 88px;
  margin-inline: auto;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

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

.brand__icon {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(71, 53, 38, 0.14);
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(71, 47, 31, 0.16);
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand__name {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.1em;
}

.brand__en {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 7px;
  line-height: 1.4;
  letter-spacing: 0.28em;
}

.site-nav {
  display: flex;
  margin-left: auto;
  align-items: center;
  gap: clamp(22px, 3vw, 44px);
}

.site-nav a {
  position: relative;
  padding-block: 8px;
  color: var(--ink-2);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 1px;
  left: 0;
  height: 1px;
  background: var(--cinnabar);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--ease);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* 导航里的「测试版」小标记：与分析画布页的 Beta 徽章同一语义 */
.nav-beta {
  margin-left: 5px;
  padding: 1px 4px;
  border: 1px solid rgba(177, 59, 44, 0.26);
  border-radius: 3px;
  color: var(--cinnabar);
  font-family: var(--sans);
  font-size: 9px;
  font-style: normal;
  letter-spacing: 0.06em;
  line-height: 1.5;
  vertical-align: 3px;
  white-space: nowrap;
}

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

.nav-cta {
  display: inline-flex;
  padding: 10px 17px;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper-2);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s var(--ease);
}

.nav-cta span {
  font-size: 14px;
  transition: transform 0.3s var(--ease);
}

.nav-cta:hover {
  border-color: var(--cinnabar);
  background: var(--cinnabar);
  transform: translateY(-1px);
}

.nav-cta:hover span {
  transform: translate(2px, -2px);
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  width: 15px;
  height: 1px;
  background: var(--ink);
  transition: transform 0.3s ease;
}

/* Hero */

.hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(128px, 16vh, 184px);
  padding-bottom: clamp(68px, 8vw, 104px);
}

.hero::before {
  position: absolute;
  top: -24vw;
  right: -17vw;
  width: 70vw;
  height: 70vw;
  max-width: 1050px;
  max-height: 1050px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(214, 190, 153, 0.38), rgba(214, 190, 153, 0) 67%);
  content: "";
  pointer-events: none;
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(460px, 0.92fr);
  gap: clamp(2rem, 4.6vw, 4.75rem);
  align-items: center;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--muted);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.17em;
}

.eyebrow__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cinnabar);
  box-shadow: 0 0 0 4px rgba(177, 59, 44, 0.1);
}

.hero h1 {
  max-width: 700px;
  margin: 26px 0 30px;
  font-family: var(--serif);
  font-size: clamp(3.55rem, 7.8vw, 7.15rem);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: 0.005em;
}

.hero h1 span {
  display: block;
  color: var(--cinnabar);
}

.hero__lead {
  max-width: 530px;
  color: var(--ink-2);
  font-size: 16px;
  line-height: 2.03;
}

.hero__actions {
  display: flex;
  margin-top: 36px;
  align-items: center;
  gap: 28px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  padding: 14px 24px;
  align-items: center;
  justify-content: center;
  gap: 13px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: background 0.35s ease, color 0.35s ease, border-color 0.35s ease, transform 0.35s var(--ease);
}

.button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.4;
  transition: transform 0.35s var(--ease);
}

.button:hover svg {
  transform: translateX(4px);
}

.button--primary {
  background: var(--ink);
  color: var(--paper-2);
  box-shadow: 0 12px 26px -14px rgba(36, 27, 22, 0.7);
}

.button--primary:hover {
  background: var(--cinnabar);
  transform: translateY(-2px);
}

.button--dark {
  background: var(--ink);
  color: var(--paper-2);
}

.button--dark:hover {
  background: var(--cinnabar);
  transform: translateY(-2px);
}

.text-link {
  display: inline-flex;
  padding-block: 5px;
  align-items: center;
  gap: 9px;
  border-bottom: 1px solid var(--line-strong);
  color: var(--ink-2);
  font-size: 13px;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.text-link span {
  color: var(--cinnabar);
  font-size: 14px;
  transition: transform 0.3s var(--ease);
}

.text-link:hover {
  border-color: var(--cinnabar);
  color: var(--cinnabar);
}

.text-link:hover span {
  transform: translateY(3px);
}

.hero__availability {
  display: flex;
  margin-top: 18px;
  align-items: center;
  gap: 8px;
  color: var(--faint);
  font-size: 10.5px;
  letter-spacing: 0.07em;
}

.hero__availability i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(185, 147, 95, 0.14);
}

.hero__stats {
  display: grid;
  max-width: 555px;
  margin-top: clamp(44px, 6vw, 66px);
  padding-top: 20px;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}

.hero__stats > div {
  display: flex;
  min-height: 58px;
  padding-right: 18px;
  flex-direction: column-reverse;
  justify-content: flex-end;
  gap: 5px;
}

.hero__stats > div + div {
  padding-left: clamp(16px, 2.4vw, 30px);
  border-left: 1px solid var(--line);
}

.hero__stats dt {
  color: var(--faint);
  font-size: 10px;
  letter-spacing: 0.13em;
  white-space: nowrap;
}

.hero__stats dd {
  font-family: var(--serif);
  font-size: clamp(1.55rem, 2.3vw, 2rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.01em;
}

/* Hero stage */

.hero-visual {
  position: relative;
  min-height: 700px;
  isolation: isolate;
}

.stage-halo {
  position: absolute;
  z-index: -1;
  top: 16%;
  right: -4%;
  width: 78%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(185, 147, 95, 0.22), transparent 67%);
  filter: blur(24px);
}

.stage-book {
  position: absolute;
  z-index: 0;
  top: 40px;
  right: 4px;
  bottom: 26px;
  left: 78px;
  overflow: hidden;
  border: 1px solid rgba(238, 211, 170, 0.13);
  border-radius: 12px 23px 23px 12px;
  background:
    linear-gradient(101deg, rgba(255, 255, 255, 0.08), transparent 28%),
    repeating-linear-gradient(92deg, rgba(255, 255, 255, 0.022) 0 1px, transparent 1px 4px),
    linear-gradient(145deg, #4b3428, #2c1c16 64%, #21140f);
  box-shadow:
    0 44px 70px -36px rgba(47, 28, 18, 0.62),
    inset 0 0 0 1px rgba(201, 162, 106, 0.1);
  transform: rotate(-4.2deg);
}

.stage-book::before {
  position: absolute;
  inset: 15px;
  border: 1px solid rgba(217, 183, 135, 0.11);
  border-radius: 6px 16px 16px 6px;
  content: "";
}

.stage-book::after {
  position: absolute;
  top: 12%;
  right: -10%;
  width: 72%;
  height: 58%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(192, 153, 100, 0.09), transparent 65%);
  content: "";
}

.stage-book__spine {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 26px;
  border-right: 1px solid rgba(224, 193, 146, 0.13);
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.3), rgba(255, 255, 255, 0.02));
}

.stage-book__label {
  position: absolute;
  bottom: 30px;
  left: 36px;
  padding-left: 12px;
  border-left: 1px solid rgba(224, 193, 146, 0.26);
  color: rgba(229, 207, 174, 0.55);
  font-family: var(--mono);
  font-size: 8px;
  line-height: 1.8;
  letter-spacing: 0.26em;
  writing-mode: vertical-rl;
}

.stage-book__label b {
  font-weight: 400;
  opacity: 0.7;
}

.stage-icon {
  position: absolute;
  z-index: 4;
  top: 64px;
  left: -3px;
  width: clamp(78px, 9vw, 104px);
  height: auto;
  border: 1px solid rgba(255, 255, 255, 0.48);
  border-radius: 23%;
  box-shadow: 0 18px 34px -15px rgba(54, 35, 22, 0.58);
  transform: rotate(-8deg);
}

.hero-phone {
  position: absolute;
  z-index: 3;
  top: 8px;
  left: 52%;
  width: clamp(282px, 58%, 336px);
  filter: drop-shadow(0 34px 40px rgba(33, 18, 12, 0.3));
  transform: translateX(-50%) rotate(1.4deg);
}

.hero-phone img {
  width: 100%;
  height: auto;
}

.upload-card {
  position: absolute;
  z-index: 5;
  bottom: 54px;
  left: -7px;
  width: clamp(154px, 33%, 188px);
  padding: 19px 18px 16px;
  border: 1px solid rgba(68, 48, 33, 0.16);
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.72), transparent 52%),
    var(--paper-2);
  box-shadow: 0 22px 44px -22px rgba(50, 31, 18, 0.48);
  transform: rotate(-3.4deg);
}

.upload-card::before {
  position: absolute;
  top: -7px;
  left: 18px;
  width: 51px;
  height: 13px;
  background: rgba(193, 169, 132, 0.5);
  content: "";
  transform: rotate(-2deg);
  mix-blend-mode: multiply;
}

.upload-card__label {
  display: block;
  padding-bottom: 9px;
  border-bottom: 1px dashed var(--line-strong);
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.13em;
}

.upload-card strong {
  display: block;
  margin: 8px 0 7px;
  font-family: var(--serif);
  font-size: 2.15rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
}

.upload-card__status {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--olive);
  font-size: 9.5px;
  letter-spacing: 0.06em;
}

.upload-card__status i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--olive);
  box-shadow: 0 0 0 3px rgba(95, 113, 84, 0.12);
}

.seal {
  position: absolute;
  z-index: 5;
  right: -7px;
  bottom: 77px;
  display: grid;
  width: 98px;
  height: 98px;
  padding: 9px;
  grid-template-columns: 1fr 1fr;
  place-items: center;
  border: 2px solid rgba(206, 87, 66, 0.82);
  border-radius: 5px;
  background: rgba(243, 237, 226, 0.035);
  color: #dc7360;
  font-family: var(--serif);
  font-size: 25px;
  line-height: 1;
  opacity: 0.9;
  transform: rotate(8deg);
}

.seal::before {
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(206, 87, 66, 0.52);
  border-radius: 2px;
  content: "";
}

/* Ticker */

.ticker {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(236, 225, 207, 0.44);
}

.ticker__track {
  display: flex;
  width: max-content;
  animation: ticker 38s linear infinite;
}

.ticker__group {
  display: flex;
  padding: 15px 0;
  align-items: center;
  gap: 34px;
  padding-right: 34px;
}

.ticker__group span {
  color: var(--muted);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  white-space: nowrap;
}

.ticker__group i {
  width: 4px;
  height: 4px;
  background: var(--cinnabar);
  opacity: 0.7;
  transform: rotate(45deg);
}

@keyframes ticker {
  to {
    transform: translateX(-50%);
  }
}

/* Shared section headers */

.section-kicker {
  display: flex;
  margin-bottom: 24px;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
}

.section-kicker::before {
  width: 23px;
  height: 1px;
  background: var(--cinnabar);
  content: "";
}

/* 测试版标记（分析画布：功能持续完善中） */
.beta-tag {
  display: inline-flex;
  padding: 3px 8px 2px;
  align-items: center;
  border: 1px solid rgba(177, 59, 44, 0.26);
  border-radius: 999px;
  background: rgba(177, 59, 44, 0.05);
  color: var(--cinnabar);
  font-family: var(--mono);
  font-size: 8px;
  font-style: normal;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.section-kicker span {
  color: var(--cinnabar);
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.section-kicker--light {
  color: rgba(243, 233, 218, 0.63);
}

.section-kicker--light::before {
  background: #d46149;
}

.section-kicker--light span {
  color: #e3806a;
}

.section-head {
  display: grid;
  margin-bottom: clamp(44px, 6vw, 72px);
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.62fr);
  gap: clamp(2rem, 6vw, 7rem);
  align-items: end;
}

.section-head h2,
.dimensions h2,
.faq h2,
.key-section h2,
.get h2,
.manifesto h2 {
  font-family: var(--serif);
  font-size: clamp(2.75rem, 5.1vw, 4.9rem);
  font-weight: 600;
  line-height: 1.13;
  letter-spacing: 0.005em;
}

.section-lead {
  max-width: 430px;
  padding-bottom: 5px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.95;
}

/* Manifesto */

.manifesto {
  overflow: hidden;
  background:
    radial-gradient(ellipse at 83% 12%, rgba(126, 70, 47, 0.24), transparent 36%),
    linear-gradient(145deg, #2c1d17, #21140f 72%);
  color: var(--paper);
}

.manifesto::before {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.018) 0 1px, transparent 1px 5px);
  content: "";
  opacity: 0.45;
  pointer-events: none;
}

.manifesto__watermark {
  position: absolute;
  z-index: 0;
  top: -0.13em;
  right: -0.045em;
  color: transparent;
  font-family: var(--serif);
  font-size: clamp(30rem, 45vw, 46rem);
  font-weight: 500;
  line-height: 1;
  opacity: 0.75;
  pointer-events: none;
  user-select: none;
  -webkit-text-stroke: 1px rgba(243, 233, 218, 0.075);
}

.manifesto .container {
  position: relative;
  z-index: 1;
}

.manifesto__head {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.58fr);
  gap: clamp(2.5rem, 6vw, 6.5rem);
  align-items: end;
}

.manifesto h2 {
  font-size: clamp(3rem, 5.7vw, 5.35rem);
}

.manifesto h2 .accent {
  color: #d96c54;
}

.manifesto__copy {
  max-width: 410px;
  padding-bottom: 7px;
  color: #c5b3a2;
  font-size: 14.5px;
  line-height: 2;
}

.manifesto__aside {
  margin-top: 20px;
  padding: 3px 0 3px 17px;
  border-left: 1px solid rgba(217, 108, 84, 0.75);
  color: #ddcbbb;
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.75;
}

.zero-grid {
  display: grid;
  margin-top: clamp(54px, 7vw, 82px);
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(243, 233, 218, 0.16);
}

.zero-item {
  padding: 38px 38px 8px 0;
}

.zero-item + .zero-item {
  padding-left: 38px;
  border-left: 1px solid rgba(243, 233, 218, 0.13);
}

.zero-item strong {
  display: block;
  font-family: var(--serif);
  font-size: clamp(4.1rem, 7.2vw, 6.15rem);
  font-weight: 500;
  line-height: 0.9;
  letter-spacing: -0.055em;
}

.zero-item strong span {
  margin-left: 0.08em;
  color: #b39b83;
  font-family: var(--sans);
  font-size: 0.31em;
  font-weight: 400;
  letter-spacing: 0;
}

.zero-item h3 {
  margin: 25px 0 8px;
  color: #efe3d2;
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.zero-item p {
  max-width: 265px;
  color: #ab9988;
  font-size: 12.5px;
  line-height: 1.85;
}

.data-route {
  display: flex;
  margin-top: clamp(48px, 6vw, 70px);
  padding-top: 26px;
  align-items: center;
  gap: 15px;
  border-top: 1px solid rgba(243, 233, 218, 0.13);
}

.data-route__step {
  color: #d9c7b6;
  font-size: 10px;
  letter-spacing: 0.13em;
  white-space: nowrap;
}

.data-route__line {
  position: relative;
  height: 1px;
  flex: 1;
  background: linear-gradient(90deg, rgba(217, 199, 179, 0.18), rgba(217, 199, 179, 0.48));
  min-width: 30px;
}

.data-route__line::after {
  position: absolute;
  top: -2px;
  right: 0;
  width: 5px;
  height: 5px;
  border-top: 1px solid rgba(217, 199, 179, 0.6);
  border-right: 1px solid rgba(217, 199, 179, 0.6);
  content: "";
  transform: rotate(45deg);
}

.data-route__line--end {
  background: repeating-linear-gradient(90deg, rgba(217, 199, 179, 0.25) 0 4px, transparent 4px 8px);
}

.data-route__stop {
  display: inline-flex;
  padding: 6px 12px;
  align-items: center;
  gap: 7px;
  border: 1px solid rgba(217, 108, 84, 0.32);
  border-radius: 999px;
  color: #e28a75;
  font-size: 9.5px;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.data-route__stop i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #d96c54;
}

.manifesto__footnote {
  margin-top: clamp(38px, 5vw, 54px);
  color: #e5d6c6;
  font-family: var(--serif);
  font-size: 17px;
  text-align: right;
}

.manifesto__footnote::before {
  display: inline-block;
  width: 22px;
  height: 1px;
  margin-right: 12px;
  background: #d96c54;
  content: "";
  vertical-align: middle;
}

/* Features */

.features {
  background: var(--paper-2);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-strong);
}

.feature {
  display: flex;
  min-height: 352px;
  padding: 38px 36px 36px;
  align-items: flex-start;
  flex-direction: column;
  border-right: 1px solid var(--line);
  transition: background 0.35s ease;
}

.feature:first-child {
  padding-left: 0;
}

.feature:last-child {
  padding-right: 0;
  border-right: 0;
}

.feature:hover {
  background: rgba(235, 225, 209, 0.32);
}

.feature__top {
  display: flex;
  width: 100%;
  align-items: flex-start;
  justify-content: space-between;
}

.feature__icon {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--cinnabar);
  transition: border-color 0.35s ease, background 0.35s ease, transform 0.45s var(--ease);
}

.feature:hover .feature__icon {
  border-color: var(--cinnabar);
  background: rgba(177, 59, 44, 0.04);
  transform: rotate(-5deg);
}

.feature__icon svg {
  width: 38px;
  height: 38px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.25;
}

.feature__num {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
}

.feature h3 {
  margin: 32px 0 12px;
  font-family: var(--serif);
  font-size: clamp(1.6rem, 2.2vw, 2rem);
  font-weight: 600;
  letter-spacing: 0.035em;
}

.feature p {
  max-width: 330px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.92;
}

.feature__tag {
  display: inline-block;
  margin-top: auto;
  padding: 5px 9px 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 8px;
  line-height: 1.3;
  letter-spacing: 0.12em;
}

.warning {
  display: flex;
  margin-top: clamp(42px, 6vw, 64px);
  padding: 20px 24px;
  align-items: center;
  gap: 18px;
  border: 1px solid rgba(177, 59, 44, 0.16);
  border-left: 3px solid var(--cinnabar);
  background: rgba(239, 229, 214, 0.62);
}

.warning__icon {
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  place-items: center;
  color: var(--cinnabar);
}

.warning__icon svg {
  width: 30px;
  height: 30px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.3;
}

.warning p {
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.8;
}

.warning p strong {
  color: var(--cinnabar);
  font-weight: 600;
}

.warning a {
  display: inline-flex;
  margin-left: auto;
  align-items: center;
  gap: 6px;
  color: var(--ink-2);
  font-size: 11px;
  letter-spacing: 0.05em;
  white-space: nowrap;
  border-bottom: 1px solid var(--line-strong);
}

.warning a:hover {
  color: var(--cinnabar);
  border-color: var(--cinnabar);
}

/* Interface */

.interface {
  overflow: hidden;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(238, 227, 210, 0.65), transparent 40%),
    var(--paper);
}

.showcase {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(340px, 0.86fr);
  gap: clamp(2.5rem, 6vw, 6.5rem);
  align-items: center;
}

.showcase__stage {
  position: relative;
  display: flex;
  min-height: 720px;
  padding-top: 34px;
  overflow: hidden;
  align-items: flex-start;
  justify-content: center;
  border: 1px solid rgba(77, 56, 38, 0.14);
  border-radius: 28px;
  background:
    radial-gradient(circle at 80% 14%, rgba(177, 59, 44, 0.085), transparent 38%),
    linear-gradient(148deg, #eee4d4, #e5d6c0 78%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55), 0 38px 70px -58px rgba(65, 42, 25, 0.65);
}

.showcase__stage::before {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(84, 61, 41, 0.023) 0 1px, transparent 1px 5px);
  content: "";
  pointer-events: none;
}

.showcase__ring {
  position: absolute;
  top: -92px;
  left: -152px;
  width: 560px;
  height: 560px;
  border: 1px solid rgba(88, 63, 43, 0.12);
  border-radius: 50%;
}

.showcase__ring::after {
  position: absolute;
  top: 70px;
  left: 70px;
  width: 418px;
  height: 418px;
  border: 1px solid rgba(88, 63, 43, 0.08);
  border-radius: 50%;
  content: "";
}

.showcase__phone {
  position: relative;
  z-index: 2;
  width: min(302px, 63%);
  flex: 0 0 auto;
  filter: drop-shadow(0 30px 34px rgba(47, 29, 17, 0.23));
}

.showcase__phone img {
  width: 100%;
  height: auto;
  transition: opacity 0.24s ease, transform 0.38s var(--ease);
}

.showcase__phone img.is-swapping {
  opacity: 0;
  transform: translateY(8px) scale(0.992);
}

.screen-meta {
  position: absolute;
  z-index: 3;
  right: 30px;
  bottom: 24px;
  left: 30px;
  display: flex;
  align-items: baseline;
  gap: 5px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.13em;
}

.screen-meta__index {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 27px;
  line-height: 1;
  letter-spacing: 0;
}

.screen-meta__device {
  margin-left: auto;
  color: var(--faint);
}

.screen-caption {
  position: absolute;
  z-index: 3;
  top: 30px;
  right: 27px;
  color: rgba(93, 72, 53, 0.65);
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: 0.15em;
  writing-mode: vertical-rl;
}

.screen-picker__head {
  display: flex;
  padding-bottom: 14px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line-strong);
  color: var(--faint);
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.12em;
}

.screen-picker__hint {
  color: var(--cinnabar);
}

.screen-tabs {
  display: flex;
  flex-direction: column;
}

.screen-tab {
  display: grid;
  width: 100%;
  padding: 22px 0;
  grid-template-columns: 31px minmax(0, 1fr) 18px;
  gap: 16px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  text-align: left;
  transition: color 0.3s ease, padding-left 0.35s var(--ease);
}

.screen-tab:hover {
  padding-left: 5px;
  color: var(--ink-2);
}

.screen-tab__num {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  transition: color 0.3s ease;
}

.screen-tab__body {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.screen-tab__body strong {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.05em;
}

.screen-tab__body > span {
  font-size: 12px;
  line-height: 1.65;
}

.screen-tab__marker {
  display: block;
  width: 7px;
  height: 7px;
  justify-self: end;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.screen-tab.is-active {
  color: var(--ink);
}

.screen-tab.is-active .screen-tab__num {
  color: var(--cinnabar);
}

.screen-tab.is-active .screen-tab__marker {
  border-color: var(--cinnabar);
  background: var(--cinnabar);
  box-shadow: 0 0 0 4px rgba(177, 59, 44, 0.1);
}

.screen-panel__note {
  max-width: 360px;
  padding-top: 18px;
  color: var(--faint);
  font-size: 11.5px;
  line-height: 1.8;
}

/* Dimensions */

.dimensions {
  background: var(--paper-2);
}

.dimensions__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(3rem, 7vw, 7rem);
  align-items: center;
}

.dimensions .section-lead {
  max-width: 470px;
  margin-top: 28px;
}

.dimension-list {
  margin-top: 36px;
}

.dimension-list li {
  display: grid;
  padding: 19px 0;
  grid-template-columns: 39px minmax(0, 1fr);
  gap: 16px;
  border-top: 1px solid var(--line);
}

.dimension-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.dimension-list__num {
  padding-top: 5px;
  color: var(--cinnabar);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
}

.dimension-list h3 {
  margin-bottom: 4px;
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.dimension-list p {
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.85;
}

.chart-wrap {
  position: relative;
}

.chart-card {
  position: relative;
  width: 100%;
  max-width: 530px;
  margin-left: auto;
  padding: clamp(23px, 3.2vw, 34px);
  border: 1px solid rgba(72, 52, 35, 0.17);
  border-radius: 19px;
  background: #fdfaf3;
  box-shadow: 0 42px 86px -55px rgba(59, 40, 24, 0.6);
  transform: rotate(-1.5deg);
}

.chart-card::before {
  position: absolute;
  z-index: 2;
  top: -13px;
  left: 50%;
  width: 106px;
  height: 25px;
  background: rgba(199, 177, 142, 0.52);
  box-shadow: 0 2px 5px rgba(72, 49, 27, 0.05);
  content: "";
  transform: translateX(-50%) rotate(2.1deg);
  mix-blend-mode: multiply;
}

.chart-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.chart-card__eyebrow {
  display: block;
  margin-bottom: 6px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 7.5px;
  letter-spacing: 0.12em;
}

.chart-card h3 {
  font-family: var(--serif);
  font-size: clamp(1.25rem, 1.8vw, 1.55rem);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.chart-card__period {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(229, 217, 201, 0.68);
  color: var(--muted);
  font-size: 9.5px;
  white-space: nowrap;
}

.donut-wrap {
  position: relative;
  width: min(100%, 300px);
  margin: 15px auto 0;
  aspect-ratio: 1;
}

.donut {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
}

/* 扇区形状对齐 App 的 ECharts 饼图：环厚比 38.7%（radius 38%~62%）、白色 2px 分隔边 */
.donut__seg {
  stroke: #fff;
  stroke-width: 2;
  transition: opacity 0.38s ease, stroke-width 0.2s ease;
}

.donut__seg--life {
  fill: #856441;
}

.donut__seg--clothes {
  fill: #fbc388;
}

.donut__seg--dining {
  fill: #9acaae;
}

.donut__seg--takeout {
  fill: #edcdb6;
}

.donut__seg--transport {
  fill: #a6784a;
}

.donut__seg--utilities {
  fill: #d9b38c;
}

.chart-card.has-active .donut__seg {
  opacity: 0.28;
}

.chart-card.has-active .donut__seg.is-active {
  opacity: 1;
  stroke-width: 3;
}

.donut-center {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  pointer-events: none;
  text-align: center;
}

.donut-center span {
  color: var(--muted);
  font-size: 10.5px;
  letter-spacing: 0.1em;
}

.donut-center strong {
  max-width: 150px;
  margin: 2px 0 2px;
  font-family: var(--serif);
  font-size: clamp(1.7rem, 2.9vw, 2.3rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.025em;
  transition: color 0.3s ease;
}

.donut-center small {
  color: var(--faint);
  font-size: 8.5px;
  letter-spacing: 0.05em;
}

.chart-legend {
  display: grid;
  padding-top: 13px;
  grid-template-columns: 1fr 1fr;
  gap: 0 24px;
  border-top: 1px dashed var(--line-strong);
}

.legend {
  display: grid;
  padding: 7px 0;
  grid-template-columns: 8px minmax(0, 1fr) auto;
  gap: 7px;
  align-items: center;
  color: var(--muted);
  text-align: left;
  transition: color 0.25s ease;
}

.legend:hover,
.legend.is-active {
  color: var(--ink);
}

.legend__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.legend__dot--life {
  background: #856441;
}

.legend__dot--clothes {
  background: #fbc388;
}

.legend__dot--dining {
  background: #9acaae;
}

.legend__dot--takeout {
  background: #edcdb6;
}

.legend__dot--transport {
  background: #a6784a;
}

.legend__dot--utilities {
  background: #d9b38c;
}

.legend__name {
  overflow: hidden;
  font-size: 11.5px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.legend b {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 400;
  transition: color 0.25s ease;
}

.legend.is-active b {
  color: var(--cinnabar);
}

.chart-card__foot {
  display: flex;
  margin-top: 17px;
  padding-top: 13px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px dashed var(--line);
  color: var(--faint);
  font-size: 9px;
  letter-spacing: 0.04em;
}

.chart-note {
  display: flex;
  max-width: 390px;
  margin: 29px 15px 0 auto;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 12.5px;
}

.chart-note__line {
  height: 1px;
  flex: 1;
  background: var(--line-strong);
}

/* Local analytics */

.analytics {
  overflow: hidden;
  background:
    radial-gradient(ellipse at 88% 12%, rgba(255, 253, 247, 0.7), transparent 38%),
    radial-gradient(ellipse at 4% 88%, rgba(216, 196, 164, 0.35), transparent 42%),
    #efe6d7;
}

.analytics::before {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(90deg, rgba(86, 62, 40, 0.026) 0 1px, transparent 1px 6px);
  content: "";
  pointer-events: none;
}

.analytics__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(3rem, 6vw, 6rem);
  align-items: center;
}

.analytics h2 {
  font-family: var(--serif);
  font-size: clamp(2.75rem, 5vw, 4.8rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: 0.005em;
}

.analytics .section-lead {
  max-width: 440px;
  margin-top: 27px;
}

.analytics__list {
  margin-top: 35px;
  border-top: 1px solid var(--line);
}

.analytics__list li {
  display: grid;
  padding: 17px 0;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  border-bottom: 1px solid var(--line);
}

.analytics__num {
  padding-top: 4px;
  color: var(--cinnabar);
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.1em;
}

.analytics__list h3 {
  margin-bottom: 4px;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.analytics__list p {
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.8;
}

.analytics__actions {
  display: flex;
  margin-top: 30px;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.analytics__privacy {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--faint);
  font-size: 10px;
  letter-spacing: 0.06em;
}

.analytics__privacy i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--olive);
  box-shadow: 0 0 0 4px rgba(95, 113, 84, 0.1);
}

.analytics__visual {
  position: relative;
  margin: 0;
}

.browser-frame {
  position: relative;
  padding: 8px;
  border: 1px solid rgba(233, 212, 181, 0.18);
  border-radius: 16px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent 38%),
    #231710;
  box-shadow:
    0 38px 70px -38px rgba(48, 29, 17, 0.7),
    inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  transform: rotate(-0.7deg);
}

.browser-frame__bar {
  display: flex;
  min-height: 39px;
  padding: 0 14px;
  align-items: center;
  gap: 14px;
  color: rgba(226, 206, 180, 0.55);
  font-family: var(--mono);
  font-size: 7.5px;
  letter-spacing: 0.08em;
}

.browser-frame__dots {
  display: flex;
  gap: 5px;
}

.browser-frame__dots i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(226, 206, 180, 0.25);
}

.browser-frame__dots i:first-child {
  background: rgba(197, 91, 69, 0.8);
}

.browser-frame__url {
  padding: 4px 10px;
  border: 1px solid rgba(226, 206, 180, 0.1);
  border-radius: 999px;
}

.browser-frame__local {
  display: inline-flex;
  margin-left: auto;
  align-items: center;
  gap: 6px;
  color: rgba(176, 195, 161, 0.8);
  letter-spacing: 0.05em;
}

.browser-frame__local i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #849b74;
}

.browser-frame__body {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 9px;
  background: #f7f1e6;
}

.browser-frame__body img {
  width: 100%;
  height: auto;
}

.analytics__visual figcaption {
  display: flex;
  margin-top: 19px;
  padding: 0 7px;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 7.5px;
  letter-spacing: 0.1em;
}

/* Key section */

.key-section {
  overflow: hidden;
  background:
    radial-gradient(ellipse at 92% 22%, rgba(243, 155, 125, 0.16), transparent 32%),
    radial-gradient(ellipse at 15% 85%, rgba(81, 22, 16, 0.42), transparent 45%),
    #832b21;
  color: #f5e9db;
}

.key-section::before {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(92deg, rgba(255, 255, 255, 0.02) 0 1px, transparent 1px 5px);
  content: "";
  pointer-events: none;
}

.key-section__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.7fr);
  gap: clamp(3rem, 7vw, 7rem);
  align-items: center;
}

.key-section h2 {
  color: #fff4e8;
  font-size: clamp(3.1rem, 5.7vw, 5.4rem);
}

.key-section__lead {
  max-width: 540px;
  margin-top: 28px;
  color: #f0d8c9;
  font-size: 15px;
  line-height: 2;
}

.key-section__warn {
  max-width: 510px;
  margin-top: 20px;
  padding-left: 17px;
  border-left: 2px solid rgba(255, 197, 178, 0.72);
  color: #ffd8ca;
  font-size: 13.5px;
  line-height: 1.9;
}

.key-section__tip {
  display: flex;
  margin-top: 34px;
  align-items: center;
  gap: 9px;
  color: #f3c3b4;
  font-size: 12px;
  letter-spacing: 0.05em;
}

.key-section__tip span {
  color: #ffdace;
  font-size: 15px;
}

.key-visual {
  position: relative;
}

.password-slip {
  position: relative;
  width: 100%;
  max-width: 425px;
  margin-left: auto;
  padding: 29px 31px 24px;
  overflow: hidden;
  border: 1px solid rgba(71, 49, 32, 0.12);
  border-radius: 4px;
  background:
    linear-gradient(130deg, rgba(255, 255, 255, 0.76), transparent 48%),
    #f7f0e3;
  box-shadow: 0 38px 66px -26px rgba(41, 12, 8, 0.55);
  color: var(--ink);
  transform: rotate(2deg);
}

.password-slip::before {
  position: absolute;
  top: -8px;
  left: 38%;
  width: 82px;
  height: 21px;
  background: rgba(218, 196, 159, 0.58);
  content: "";
  transform: rotate(-2.5deg);
}

.password-slip::after {
  position: absolute;
  right: -22px;
  bottom: -32px;
  width: 150px;
  height: 150px;
  border: 1px solid rgba(177, 59, 44, 0.11);
  border-radius: 50%;
  content: "";
}

.password-slip__head {
  display: flex;
  padding-bottom: 12px;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 1px solid var(--line);
  color: var(--faint);
  font-family: var(--mono);
  font-size: 7.5px;
  letter-spacing: 0.1em;
}

.password-slip__label {
  margin-top: 27px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.15em;
}

.password-slip__dots {
  margin: 5px 0 11px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line-strong);
  color: var(--ink);
  font-family: var(--mono);
  font-size: clamp(1.55rem, 3vw, 2rem);
  line-height: 1.3;
  letter-spacing: 0.16em;
}

.password-slip__note {
  color: var(--muted);
  font-family: var(--serif);
  font-size: 14px;
}

.password-slip__stamp {
  position: absolute;
  right: 28px;
  bottom: 28px;
  display: grid;
  width: 83px;
  height: 83px;
  place-items: center;
  border: 2px double rgba(177, 59, 44, 0.75);
  color: rgba(177, 59, 44, 0.82);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.15;
  text-align: center;
  letter-spacing: 0.15em;
  transform: rotate(-9deg);
}

.password-slip__foot {
  display: flex;
  margin-top: 44px;
  padding-top: 12px;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: 0.1em;
}

.key-visual__caption {
  display: block;
  margin-top: 21px;
  color: rgba(255, 218, 206, 0.62);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.14em;
  text-align: right;
}

/* FAQ */

.faq {
  background: var(--paper-2);
}

.faq__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
}

.faq__side {
  position: sticky;
  top: 118px;
}

.faq h2 {
  font-size: clamp(2.5rem, 4.2vw, 3.85rem);
}

.nowrap {
  white-space: nowrap;
}

.faq__intro {
  max-width: 340px;
  margin-top: 27px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.95;
}

.faq__aside {
  display: flex;
  max-width: 340px;
  margin-top: 43px;
  padding-top: 15px;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid var(--line);
}

.faq__aside-label {
  color: var(--faint);
  font-size: 9px;
  letter-spacing: 0.11em;
}

.faq__aside-value {
  color: var(--ink-2);
  font-family: var(--serif);
  font-size: 16px;
  letter-spacing: 0.04em;
}

.faq-list {
  border-top: 1px solid var(--line-strong);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  display: flex;
  padding: 23px 0;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-family: var(--serif);
  font-size: clamp(1.08rem, 1.55vw, 1.28rem);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.02em;
  list-style: none;
  transition: color 0.25s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:hover {
  color: var(--cinnabar);
}

.faq-icon {
  position: relative;
  display: block;
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
  transition: transform 0.35s var(--ease);
}

.faq-icon::before,
.faq-icon::after {
  position: absolute;
  top: 7px;
  left: 0;
  width: 15px;
  height: 1px;
  background: var(--ink-2);
  content: "";
  transition: background 0.25s ease;
}

.faq-icon::after {
  transform: rotate(90deg);
}

.faq-item[open] .faq-icon {
  transform: rotate(45deg);
}

.faq-item[open] .faq-icon::before,
.faq-item[open] .faq-icon::after {
  background: var(--cinnabar);
}

.faq-answer {
  padding: 0 50px 26px 0;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.95;
  animation: answer-in 0.35s var(--ease);
}

@keyframes answer-in {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* Get */

.get {
  overflow: hidden;
  background:
    radial-gradient(ellipse at 88% 28%, rgba(146, 54, 38, 0.28), transparent 36%),
    linear-gradient(145deg, #281a14, #1c110d 72%);
  color: var(--paper);
}

.get::before {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.019) 0 1px, transparent 1px 5px);
  content: "";
  pointer-events: none;
}

.get__glyph {
  position: absolute;
  z-index: 0;
  top: 4%;
  right: -1.5%;
  color: rgba(244, 234, 219, 0.032);
  font-family: var(--serif);
  font-size: clamp(14rem, 28vw, 28rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  pointer-events: none;
  user-select: none;
  writing-mode: vertical-rl;
}

.get__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.72fr);
  gap: clamp(3rem, 7vw, 7rem);
  align-items: center;
}

.get .section-kicker {
  margin-bottom: 25px;
}

.get h2 {
  font-size: clamp(2.85rem, 4.8vw, 4.65rem);
  color: #f7ede1;
}

.get__copy > p {
  max-width: 470px;
  margin-top: 27px;
  color: #c7b4a4;
  font-size: 15px;
  line-height: 2;
}

.get__meta {
  display: flex;
  margin-top: 37px;
  align-items: center;
  gap: 12px;
  color: #a99584;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.13em;
}

.get__meta i {
  width: 3px;
  height: 3px;
  background: #c75a43;
  transform: rotate(45deg);
}

.get-card {
  position: relative;
  width: 100%;
  max-width: 420px;
  margin-left: auto;
  padding: 30px;
  border-radius: 21px;
  background:
    linear-gradient(130deg, rgba(255, 255, 255, 0.74), transparent 49%),
    #f8f2e7;
  box-shadow: 0 40px 72px -34px rgba(0, 0, 0, 0.65);
  color: var(--ink);
}

.get-card::before {
  position: absolute;
  top: 16px;
  right: 16px;
  bottom: 16px;
  left: 16px;
  border: 1px solid rgba(76, 55, 37, 0.09);
  border-radius: 14px;
  content: "";
  pointer-events: none;
}

.get-card__app {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 17px;
}

.get-card__app img {
  width: 69px;
  height: 69px;
  border-radius: 17px;
  box-shadow: 0 10px 18px -10px rgba(69, 42, 24, 0.6);
}

.get-card__eyebrow {
  display: block;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: 0.12em;
}

.get-card__app h3 {
  margin: 5px 0 1px;
  font-family: var(--serif);
  font-size: 27px;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.2;
}

.get-card__app p {
  color: var(--muted);
  font-size: 10.5px;
  letter-spacing: 0.04em;
}

.get-card__status {
  display: inline-flex;
  margin-top: 7px;
  align-items: center;
  gap: 6px;
  color: var(--cinnabar);
  font-size: 9.5px;
  letter-spacing: 0.04em;
}

.get-card__status i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(185, 147, 95, 0.12);
}

.get-platforms {
  position: relative;
  z-index: 1;
  display: grid;
  margin-top: 20px;
  gap: 8px;
}

.get-platform {
  display: flex;
  padding: 10px 12px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.28);
  transition: border-color 0.25s ease, background 0.25s ease;
}

.get-platform:hover {
  border-color: rgba(177, 59, 44, 0.55);
  background: #fffdf9;
}

.get-platform > span:first-child {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.get-platform strong {
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.get-platform small {
  color: var(--faint);
  font-size: 8px;
  letter-spacing: 0.03em;
}

.get-platform__arrow {
  color: var(--cinnabar);
  font-size: 14px;
}

.get-qr-row {
  position: relative;
  z-index: 1;
  display: grid;
  margin-top: 13px;
  padding-top: 13px;
  grid-template-columns: 1fr 1fr;
  gap: 11px;
  border-top: 1px dashed var(--line-strong);
}

.get-qr-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.get-qr-item img {
  width: 62px;
  height: 62px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
}

.get-qr-item > span {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 1px;
}

.get-qr-item b {
  color: var(--ink-2);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.get-qr-item small {
  color: var(--faint);
  font-size: 8px;
}

.get-qr-item:hover img {
  border-color: rgba(177, 59, 44, 0.55);
}

.get-qr-open {
  position: relative;
  z-index: 1;
  display: inline-flex;
  margin-top: 10px;
  padding-bottom: 2px;
  align-items: center;
  gap: 5px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 9px;
}

.get-qr-open span {
  color: var(--cinnabar);
}

.get-qr-open:hover {
  border-color: var(--cinnabar);
  color: var(--cinnabar);
}

.get-badge-row {
  position: relative;
  z-index: 1;
  display: flex;
  margin-top: 12px;
  padding-top: 12px;
  align-items: center;
  gap: 10px;
  border-top: 1px solid var(--line);
}

.get-badge-row img {
  width: 94px;
  height: auto;
  border-radius: 4px;
}

.get-badge-row span {
  color: var(--faint);
  font-size: 8px;
  line-height: 1.6;
}

.get-card__button {
  position: relative;
  z-index: 1;
  display: flex;
  width: 100%;
  margin-top: 27px;
  justify-content: space-between;
}

.get-card__note {
  position: relative;
  z-index: 1;
  margin-top: 14px;
  color: var(--muted);
  font-size: 10.5px;
  text-align: center;
}

.get-card__note span {
  margin-right: 3px;
  color: var(--olive);
}

/* Footer */

.site-footer {
  position: relative;
  overflow: hidden;
  padding: 63px 0 26px;
  background: #160e0b;
  color: #9e8a7a;
}

.footer__top {
  display: grid;
  padding-bottom: 48px;
  grid-template-columns: 1.1fr 1fr 0.8fr;
  gap: 40px;
  align-items: start;
}

.brand--footer .brand__name {
  color: #ecdfd0;
}

.brand--footer .brand__en {
  color: #7f6d5e;
}

.brand--footer .brand__icon {
  width: 35px;
  height: 35px;
  opacity: 0.92;
}

.footer__statement {
  max-width: 360px;
  color: #e2d3c4;
  font-family: var(--serif);
  font-size: clamp(1.15rem, 1.65vw, 1.4rem);
  line-height: 1.65;
  letter-spacing: 0.045em;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 24px;
}

.footer__nav a {
  color: #a38e7e;
  font-size: 11px;
  letter-spacing: 0.04em;
  transition: color 0.25s ease;
}

.footer__nav a:hover {
  color: #e9dacb;
}

/* 页脚「法律信息」独立一行：按适用对象分两组，避免「隐私政策 / 网站隐私」两两难辨 */
.footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  padding-bottom: 24px;
  color: #a38e7e;
  font-size: 11px;
  letter-spacing: 0.04em;
}

.footer__legal-title {
  padding-right: 2px;
  color: #716154;
  font-family: var(--serif);
  letter-spacing: 0.14em;
}

.footer__legal-group {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
}

.footer__legal-scope {
  padding: 1px 6px;
  border: 1px solid rgba(236, 223, 208, 0.16);
  border-radius: 3px;
  color: #c3ad9b;
  font-size: 10px;
  letter-spacing: 0.06em;
}

.footer__legal a {
  color: #a38e7e;
  transition: color 0.25s ease;
}

.footer__legal a:hover {
  color: #e9dacb;
}

.footer__bottom {
  display: flex;
  padding-top: 19px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid rgba(236, 223, 208, 0.11);
  color: #716154;
  font-size: 9.5px;
  letter-spacing: 0.03em;
}

.footer__ids {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 16px;
}

.footer__note {
  text-align: center;
}

.footer__bottom a {
  color: #a18b7b;
  white-space: nowrap;
  transition: color 0.25s ease;
}

/* 公安联网备案：图标在编号之前（官方要求） */
.footer__mps {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.footer__mps img {
  width: 13px;
  height: 14px;
  opacity: 0.75;
}

.footer__bottom a:hover {
  color: #ecdfd0;
}

.footer__icp {
  border-bottom: 1px solid rgba(161, 139, 123, 0.28);
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.02em;
}

/* Dialog */

.download-dialog {
  width: min(520px, calc(100vw - 32px));
  max-width: 520px;
  padding: 0;
  border: 0;
  border-radius: 22px;
  background: transparent;
  color: var(--ink);
}

.download-dialog::backdrop {
  background: rgba(25, 15, 11, 0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.download-dialog[open] {
  animation: dialog-in 0.4s var(--ease);
}

@keyframes dialog-in {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.download-dialog__inner {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 4.5vw, 40px);
  border: 1px solid rgba(76, 54, 35, 0.16);
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.78), transparent 52%),
    var(--paper-2);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
}

.download-dialog__inner::after {
  display: none;
}

.dialog-close {
  position: absolute;
  z-index: 2;
  top: 15px;
  right: 15px;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--muted);
  transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
}

.dialog-close:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.dialog-close svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.4;
}

.download-dialog__head {
  display: flex;
  padding-right: 24px;
  align-items: center;
  gap: 16px;
}

.download-dialog__head img {
  width: 61px;
  height: 61px;
  border-radius: 15px;
  box-shadow: 0 8px 16px -9px rgba(62, 38, 20, 0.55);
}

.download-dialog__eyebrow {
  display: block;
  color: var(--cinnabar);
  font-family: var(--mono);
  font-size: 7.5px;
  letter-spacing: 0.12em;
}

.download-dialog__head h2 {
  margin-top: 4px;
  font-family: var(--serif);
  font-size: 27px;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.04em;
}

.download-dialog__inner > p {
  position: relative;
  z-index: 1;
  margin-top: 24px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.9;
}

.copy-button {
  position: relative;
  z-index: 1;
  display: flex;
  width: 100%;
  margin-top: 24px;
  padding: 13px 16px;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  color: var(--ink-2);
  font-size: 12.5px;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.copy-button:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.copy-button.is-copied {
  border-color: var(--olive);
  background: rgba(95, 113, 84, 0.08);
  color: var(--olive);
}

.copy-button__icon {
  font-size: 16px;
  line-height: 1;
}

.copy-button--link {
  margin-top: 10px;
  text-decoration: none;
}

.download-dialog__stores {
  display: grid;
  margin-top: 20px;
  grid-template-columns: 1fr 1fr;
  gap: 11px;
}

.download-store {
  display: flex;
  padding: 13px 12px 12px;
  align-items: center;
  flex-direction: column;
  gap: 9px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.3);
  text-align: center;
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.3s var(--ease);
}

.download-store:hover {
  border-color: rgba(177, 59, 44, 0.55);
  background: #fffdf9;
  transform: translateY(-2px);
}

.download-store__head {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.download-store__head b {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.download-store__head small {
  color: var(--faint);
  font-size: 8px;
}

.download-store img {
  width: 120px;
  height: 120px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #fff;
}

.download-store__link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--cinnabar);
  font-size: 9px;
}

.download-store__link i {
  font-style: normal;
}

.download-dialog__badge {
  display: flex;
  margin-top: 16px;
  padding-top: 14px;
  align-items: center;
  gap: 10px;
  border-top: 1px dashed var(--line);
}

.download-dialog__badge img {
  width: 100px;
  height: auto;
  border-radius: 4px;
}

.download-dialog__badge span {
  color: var(--faint);
  font-size: 9px;
  letter-spacing: 0.03em;
}

.download-dialog__note {
  margin-top: 18px !important;
  padding-top: 15px;
  border-top: 1px dashed var(--line);
  color: var(--faint) !important;
  font-size: 11px !important;
  line-height: 1.75 !important;
}

/* Motion */

.js [data-reveal] {
  opacity: 0;
  transform: translateY(25px);
  transition:
    opacity 0.85s var(--ease) var(--delay, 0ms),
    transform 0.85s var(--ease) var(--delay, 0ms);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .ticker__track {
    animation: none;
  }
}

/* Responsive */

@media (max-width: 1180px) {
  .hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(420px, 0.88fr);
    gap: 2.5rem;
  }

  .hero-visual {
    min-height: 660px;
  }

  .stage-book {
    left: 66px;
  }

  .seal {
    right: -2px;
    width: 88px;
    height: 88px;
    font-size: 22px;
  }

  .showcase {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.86fr);
    gap: 3.5rem;
  }

  .showcase__stage {
    min-height: 690px;
  }
}

@media (max-width: 1020px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: clamp(3rem, 8vw, 5rem);
  }

  .hero__copy {
    max-width: 660px;
  }

  .hero h1 {
    max-width: 640px;
    font-size: clamp(4rem, 10vw, 6.8rem);
  }

  .hero-visual {
    width: min(100%, 580px);
    min-height: 700px;
    margin-inline: auto;
  }

  .stage-book {
    left: 84px;
  }

  .hero-phone {
    width: clamp(288px, 58%, 336px);
  }

  .section-head {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .section-head .section-lead {
    max-width: 560px;
  }

  .manifesto__head {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .manifesto__copy {
    max-width: 590px;
  }

  .manifesto__watermark {
    opacity: 0.48;
  }

  .zero-item {
    padding-right: 24px;
  }

  .zero-item + .zero-item {
    padding-left: 24px;
  }

  .feature {
    padding-right: 26px;
    padding-left: 26px;
  }

  .showcase {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .showcase__stage {
    width: min(100%, 620px);
    min-height: 730px;
    margin-inline: auto;
  }

  .screen-picker {
    width: min(100%, 620px);
    margin-inline: auto;
  }

  .screen-tab {
    padding-block: 20px;
  }

  .dimensions__grid {
    grid-template-columns: 1fr;
    gap: 54px;
  }

  .dimensions__copy {
    max-width: 620px;
  }

  .analytics__grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .analytics__copy {
    max-width: 660px;
  }

  .analytics__visual {
    width: min(100%, 780px);
    margin-inline: auto;
  }

  .chart-card {
    max-width: 560px;
    margin: 0 auto;
  }

  .chart-note {
    margin-right: auto;
    margin-left: auto;
  }

  .key-section__grid {
    grid-template-columns: 1fr;
    gap: 58px;
  }

  .key-section__copy {
    max-width: 660px;
  }

  .password-slip {
    max-width: 480px;
    margin-inline: auto;
  }

  .key-visual__caption {
    max-width: 480px;
    margin-inline: auto;
    text-align: right;
  }

  .faq__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .faq__side {
    position: static;
  }

  .faq__intro {
    max-width: 560px;
  }

  .faq__aside {
    display: none;
  }

  .get__grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .get__copy {
    max-width: 660px;
  }

  .get-card {
    max-width: 500px;
    margin-inline: 0;
  }
}

@media (max-width: 820px) {
  html {
    scroll-padding-top: 78px;
  }

  .nav-shell {
    height: 74px;
  }

  .site-header::before,
  .site-header.is-scrolled::before {
    border-bottom-color: var(--line);
    opacity: 1;
  }

  .site-nav {
    position: fixed;
    z-index: 1;
    top: 74px;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    margin: 0;
    padding: 14px var(--pad) 38px;
    overflow-y: auto;
    align-items: flex-start;
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid var(--line);
    background: rgba(246, 240, 230, 0.985);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-9px);
    transition: opacity 0.3s ease, transform 0.35s var(--ease), visibility 0.3s;
    overscroll-behavior: contain;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
  }

  .site-nav::after {
    display: block;
    width: 100%;
    margin-top: auto;
    padding-top: 27px;
    border-top: 1px solid var(--line);
    color: var(--faint);
    font-family: var(--serif);
    font-size: 14px;
    letter-spacing: 0.07em;
    content: "数据产生于你，也只属于你。";
  }

  .site-nav a {
    width: 100%;
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
    font-family: var(--serif);
    font-size: 25px;
    font-weight: 600;
    letter-spacing: 0.06em;
  }

  .site-nav a::after {
    display: none;
  }

  .is-open .site-nav {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .is-open .menu-toggle span:first-child {
    transform: translateY(3px) rotate(45deg);
  }

  .is-open .menu-toggle span:last-child {
    transform: translateY(-3px) rotate(-45deg);
  }

  .menu-toggle {
    display: inline-flex;
  }

  body.is-nav-open {
    overflow: hidden;
  }

  .hero {
    padding-top: 114px;
  }

  .hero h1 {
    font-size: clamp(3.35rem, 11.7vw, 5.2rem);
  }

  .zero-grid {
    grid-template-columns: 1fr;
  }

  .zero-item,
  .zero-item + .zero-item {
    display: grid;
    padding: 25px 0;
    grid-template-columns: minmax(104px, 0.28fr) minmax(0, 1fr);
    align-items: center;
    gap: 24px;
    border-left: 0;
    border-bottom: 1px solid rgba(243, 233, 218, 0.12);
  }

  .zero-item:last-child {
    border-bottom: 0;
  }

  .zero-item strong {
    font-size: clamp(3.7rem, 10vw, 5rem);
  }

  .zero-item h3 {
    margin: 0 0 5px;
  }

  .zero-item p {
    max-width: 430px;
  }

  .manifesto__footnote {
    text-align: left;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature,
  .feature:first-child,
  .feature:last-child {
    min-height: 0;
    padding: 28px 0 30px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .feature h3 {
    margin-top: 24px;
  }

  .feature__tag {
    margin-top: 22px;
  }

  .warning {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .warning p {
    flex: 1;
    min-width: 230px;
  }

  .warning a {
    margin-left: 52px;
    margin-top: -2px;
  }

  .site-footer {
    padding-top: 48px;
  }

  .footer__top {
    grid-template-columns: 1fr 1fr;
    gap: 34px;
  }

  .footer__nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }

  .footer__bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 9px;
  }

  .footer__note {
    text-align: left;
  }
}

@media (max-width: 620px) {
  :root {
    --pad: 1.25rem;
  }

  .section {
    padding-block: 4.6rem;
  }

  .brand__icon {
    width: 35px;
    height: 35px;
  }

  .brand__name {
    font-size: 18px;
  }

  .brand__en {
    font-size: 6px;
  }

  .nav-cta {
    padding: 9px 12px;
    gap: 4px;
    font-size: 11px;
  }

  .nav-cta span {
    font-size: 12px;
  }

  .hero {
    padding-top: 106px;
    padding-bottom: 53px;
  }

  .hero h1 {
    margin-top: 21px;
    margin-bottom: 23px;
  }

  .hero__lead {
    font-size: 14.5px;
    line-height: 1.95;
  }

  .hero__actions {
    margin-top: 29px;
    align-items: stretch;
    flex-direction: column;
    gap: 17px;
  }

  .hero__availability {
    margin-top: 14px;
    font-size: 9px;
  }

  .button {
    width: 100%;
  }

  .text-link {
    align-self: flex-start;
  }

  .hero__stats {
    margin-top: 39px;
    padding-top: 17px;
  }

  .hero__stats > div {
    min-height: 54px;
    padding-right: 9px;
  }

  .hero__stats > div + div {
    padding-left: 12px;
  }

  .hero__stats dt {
    font-size: 9px;
    letter-spacing: 0.04em;
  }

  .hero__stats dd {
    font-size: 1.5rem;
  }

  .hero-visual {
    min-height: 520px;
  }

  .stage-book {
    top: 29px;
    right: 0;
    bottom: 12px;
    left: 43px;
  }

  .stage-icon {
    top: 24px;
    left: -1px;
    width: 70px;
    border-radius: 20px;
  }

  .hero-phone {
    top: 17px;
    width: clamp(203px, 63%, 244px);
  }

  .upload-card {
    bottom: 32px;
    left: -3px;
    width: 137px;
    padding: 14px 13px 12px;
  }

  .upload-card__label {
    padding-bottom: 6px;
    font-size: 8px;
  }

  .upload-card strong {
    margin: 6px 0 5px;
    font-size: 1.8rem;
  }

  .upload-card__status {
    gap: 5px;
    font-size: 8px;
  }

  .seal {
    right: 1px;
    bottom: 58px;
    width: 66px;
    height: 66px;
    padding: 6px;
    border-width: 1.5px;
    font-size: 17px;
  }

  .ticker__group {
    padding-block: 12px;
    gap: 24px;
    padding-right: 24px;
  }

  .ticker__group span {
    font-size: 9px;
    letter-spacing: 0.15em;
  }

  .section-kicker {
    margin-bottom: 19px;
    font-size: 9.5px;
  }

  .section-head {
    margin-bottom: 38px;
  }

  .section-head h2,
  .dimensions h2,
  .faq h2,
  .manifesto h2 {
    font-size: clamp(2.35rem, 9.7vw, 3.4rem);
  }

  .section-lead {
    font-size: 13.5px;
  }

  .manifesto__copy {
    font-size: 13.5px;
  }

  .manifesto__aside {
    font-size: 15px;
  }

  .zero-item,
  .zero-item + .zero-item {
    grid-template-columns: 90px minmax(0, 1fr);
    gap: 16px;
    padding: 22px 0;
  }

  .zero-item strong {
    font-size: 3.45rem;
  }

  .zero-item h3 {
    font-size: 19px;
  }

  .zero-item p {
    font-size: 11.5px;
  }

  .data-route {
    display: grid;
    padding-top: 21px;
    grid-template-columns: 1fr 1fr;
    gap: 9px;
  }

  .data-route__line {
    display: none;
  }

  .data-route__step,
  .data-route__stop {
    display: flex;
    min-height: 38px;
    padding: 8px 10px;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(243, 233, 218, 0.14);
    border-radius: 3px;
    font-size: 9px;
    text-align: center;
  }

  .data-route__stop {
    border-color: rgba(217, 108, 84, 0.32);
  }

  .manifesto__footnote {
    font-size: 15px;
    line-height: 1.7;
  }

  .warning {
    padding: 17px;
    gap: 12px;
  }

  .warning a {
    margin-left: 46px;
  }

  .showcase {
    gap: 35px;
  }

  .showcase__stage {
    min-height: 638px;
    padding-top: 29px;
    border-radius: 22px;
  }

  .showcase__ring {
    top: -150px;
    left: -215px;
  }

  .showcase__phone {
    width: min(260px, 70%);
  }

  .screen-caption {
    display: none;
  }

  .screen-meta {
    right: 22px;
    bottom: 19px;
    left: 22px;
  }

  .screen-tab {
    padding: 17px 0;
    grid-template-columns: 27px minmax(0, 1fr) 16px;
    gap: 12px;
  }

  .screen-tab__body strong {
    font-size: 21px;
  }

  .screen-tab__body > span {
    font-size: 11px;
  }

  .dimensions__grid {
    gap: 42px;
  }

  .analytics__grid {
    gap: 39px;
  }

  .analytics h2 {
    font-size: clamp(2.4rem, 10vw, 3.4rem);
  }

  .analytics__list {
    margin-top: 27px;
  }

  .analytics__actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .analytics__actions .button {
    width: 100%;
  }

  .browser-frame {
    padding: 6px;
    border-radius: 12px;
  }

  .browser-frame__bar {
    min-height: 32px;
    padding-inline: 10px;
    gap: 9px;
    font-size: 6.5px;
  }

  .browser-frame__url {
    display: none;
  }

  .browser-frame__local {
    margin-left: auto;
  }

  .analytics__visual figcaption {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
    font-size: 6.5px;
  }

  .dimension-list {
    margin-top: 27px;
  }

  .chart-card {
    padding: 22px 18px;
    transform: none;
  }

  .chart-card::before {
    width: 84px;
    height: 21px;
  }

  .donut-wrap {
    width: min(100%, 260px);
  }

  .chart-legend {
    gap: 0 14px;
  }

  .legend {
    padding: 6px 0;
    gap: 5px;
  }

  .legend__name {
    font-size: 10.5px;
  }

  .chart-card__foot {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .chart-note {
    margin-top: 22px;
    font-size: 11.5px;
  }

  .key-section h2 {
    font-size: clamp(2.7rem, 10vw, 3.5rem);
  }

  .key-section__lead {
    font-size: 13.5px;
  }

  .key-section__warn,
  .key-section__tip {
    font-size: 12px;
  }

  .password-slip {
    padding: 25px 24px 20px;
    transform: rotate(1deg);
  }

  .password-slip__dots {
    font-size: 1.5rem;
  }

  .password-slip__stamp {
    right: 20px;
    bottom: 22px;
    width: 68px;
    height: 68px;
    font-size: 14px;
  }

  .password-slip__foot {
    margin-top: 35px;
  }

  .faq__grid {
    gap: 36px;
  }

  .faq-item summary {
    padding: 19px 0;
  }

  .faq-answer {
    padding-right: 20px;
    font-size: 12.5px;
  }

  .get h2 {
    font-size: clamp(2rem, 9vw, 3.3rem);
  }

  .get__copy > p {
    font-size: 13.5px;
  }

  .get-card {
    padding: 25px;
  }

  .get-card__app img {
    width: 60px;
    height: 60px;
    border-radius: 15px;
  }

  .get-card__app h3 {
    font-size: 24px;
  }

  .footer__top {
    grid-template-columns: 1fr;
    gap: 29px;
  }

  .footer__statement {
    font-size: 1.18rem;
  }

  .footer__nav {
    grid-column: auto;
    gap: 10px 18px;
  }

  .download-dialog__inner {
    padding: 27px 22px;
  }

  .download-dialog__head img {
    width: 53px;
    height: 53px;
  }

  .download-dialog__head h2 {
    font-size: 23px;
  }
}

@media (max-width: 390px) {
  .nav-cta {
    padding: 8px 10px;
    font-size: 10px;
  }

  .hero h1 {
    font-size: clamp(3rem, 11.7vw, 3.5rem);
  }

  .hero__stats dd {
    font-size: 1.35rem;
  }

  .hero-visual {
    min-height: 490px;
  }

  .showcase__stage {
    min-height: 596px;
  }

  .showcase__phone {
    width: min(235px, 72%);
  }

  .seal {
    width: 60px;
    height: 60px;
    font-size: 15px;
  }

  .upload-card {
    width: 126px;
  }

  .password-slip__dots {
    letter-spacing: 0.1em;
  }

  .password-slip__stamp {
    width: 60px;
    height: 60px;
    font-size: 12px;
  }
}

@media (max-width: 350px) {
  .brand__en {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .hero__stats dt {
    font-size: 8px;
  }

  .showcase__stage {
    min-height: 560px;
  }
}

@media (max-width: 560px) {
  .download-dialog__stores {
    grid-template-columns: 1fr;
  }

  .download-store {
    flex-direction: row;
    text-align: left;
  }

  .download-store__head {
    flex: 1;
  }

  .download-store img {
    width: 94px;
    height: 94px;
    order: 3;
  }

  .download-store__link {
    order: 2;
    margin-left: auto;
    white-space: nowrap;
  }

  .get-qr-row {
    gap: 8px;
  }

  .get-qr-item {
    gap: 6px;
  }

  .get-qr-item img {
    width: 54px;
    height: 54px;
  }

  .get-qr-item b {
    font-size: 8.5px;
  }

  .get-qr-item small {
    font-size: 7.5px;
  }
}