:root {
  --paper: #f5f1ea;
  --warm: #fbf8f1;
  --mist: #e8e5dd;
  --ink: #121713;
  --soft-ink: #323b34;
  --muted: #74786f;
  --green: #12352b;
  --deep: #08120e;
  --moss: #66775d;
  --gold: #a8864e;
  --line: rgba(18, 23, 19, 0.12);
  --white: #fffdf7;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
  scroll-padding-top: 76px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
  line-height: 1.75;
  overflow-x: hidden;
  text-rendering: geometricPrecision;
}

body.no-scroll {
  overflow: hidden;
}

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

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

.grain {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.13;
  mix-blend-mode: multiply;
  background-image:
    radial-gradient(circle at 18% 22%, rgba(255, 255, 255, 0.7) 0 1px, transparent 1px),
    radial-gradient(circle at 76% 68%, rgba(18, 23, 19, 0.16) 0 1px, transparent 1px);
  background-size: 28px 28px, 37px 37px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 76px;
  z-index: 80;
  color: var(--ink);
  overflow: visible;
  background:
    radial-gradient(circle at 18% 0%, rgba(255, 253, 247, 0.5), rgba(255, 253, 247, 0.08) 34%, transparent 68%),
    linear-gradient(115deg, rgba(255, 253, 247, 0.24), rgba(255, 253, 247, 0.08) 52%, rgba(255, 253, 247, 0.18)),
    rgba(245, 241, 234, 0.12);
  border-bottom: 1px solid rgba(255, 253, 247, 0.32);
  box-shadow:
    0 18px 44px rgba(8, 18, 14, 0.1),
    inset 0 1px 0 rgba(255, 253, 247, 0.64),
    inset 0 -1px 0 rgba(8, 18, 14, 0.05);
  backdrop-filter: blur(34px) saturate(1.85) contrast(1.04);
  -webkit-backdrop-filter: blur(34px) saturate(1.85) contrast(1.04);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent, rgba(255, 253, 247, 0.22) 42%, transparent 72%),
    radial-gradient(circle at 88% 20%, rgba(255, 253, 247, 0.34), transparent 34%);
  opacity: 0.82;
}

.nav {
  width: min(1440px, calc(100% - 56px));
  height: 76px;
  margin: 0 auto;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

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

.brand-logo {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  object-fit: contain;
  opacity: 0.92;
  filter:
    saturate(1.08)
    contrast(1.08)
    drop-shadow(0 1px 2px rgba(255, 253, 247, 0.28));
}

.brand-text {
  display: grid;
  gap: 1px;
  align-content: center;
}

.brand-mark {
  color: rgba(18, 23, 19, 0.9);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.05;
  text-shadow: 0 1px 10px rgba(255, 253, 247, 0.35);
}

.brand-sub {
  color: rgba(18, 23, 19, 0.48);
  font-size: 10px;
  line-height: 1;
  letter-spacing: 0.13em;
  text-shadow: 0 1px 8px rgba(255, 253, 247, 0.34);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--soft-ink);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.nav-links a {
  position: relative;
  padding: 8px 0;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
  background: currentColor;
  transition: transform 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(18, 23, 19, 0.24);
  border-radius: 999px;
  background: transparent;
  color: inherit;
  font-size: 21px;
  line-height: 1;
}

.hero-panel {
  position: relative;
  min-height: 100svh;
  max-height: 1100px;
  overflow: hidden;
  display: grid;
  align-items: center;
  background: var(--deep);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
}

.hero-shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(8, 18, 14, 0.4), rgba(8, 18, 14, 0.22) 32%, rgba(8, 18, 14, 0.08) 64%, rgba(8, 18, 14, 0) 100%),
    linear-gradient(0deg, rgba(8, 18, 14, 0.38), rgba(8, 18, 14, 0.02) 48%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(1440px, calc(100% - 96px));
  min-height: 100svh;
  margin: 0 auto;
  padding: 15vh 0 max(84px, 9vh);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
}

.hero-copy-top,
.hero-copy-bottom {
  width: min(720px, 100%);
}

.hero-copy-top {
  margin-top: 4vh;
}

.hero-copy-bottom {
  margin-bottom: 2vh;
}

.hero-note {
  position: absolute;
  right: 0;
  bottom: max(92px, 10vh);
  margin: 0;
  color: rgba(255, 253, 247, 0.54);
  font-size: 10px;
  line-height: 1.8;
  letter-spacing: 0.22em;
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.hero-edition,
.eyebrow,
.section-kicker {
  margin: 0 0 22px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-title {
  margin: 0;
  font-family: "FangSong", "STFangsong", "Songti SC", "SimSun", serif;
  font-size: clamp(70px, 10.5vw, 176px);
  font-weight: 400;
  line-height: 0.94;
  letter-spacing: 0.08em;
  text-shadow: 0 1px 22px rgba(8, 18, 14, 0.16);
}

.hero-title-en {
  display: grid;
  gap: 0.16em;
  margin: 0;
  color: var(--white);
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(22px, 3vw, 50px);
  font-weight: 200;
  line-height: 1;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-shadow: 0 1px 18px rgba(8, 18, 14, 0.18);
}

.hero-title-en span:nth-child(2) {
  margin-left: 0.28em;
  white-space: nowrap;
}

.hero-line {
  margin: 34px 0 0;
  color: rgba(255, 253, 247, 0.92);
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(15px, 1.7vw, 26px);
  font-weight: 200;
  line-height: 1.25;
  letter-spacing: 0.16em;
  text-shadow: 0 1px 18px rgba(8, 18, 14, 0.2);
}

.hero-cn {
  margin: 0;
  color: rgba(255, 253, 247, 0.92);
  font-family: "FangSong", "STFangsong", "Songti SC", "SimSun", serif;
  font-size: clamp(72px, 9vw, 148px);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: 0.1em;
}

.hero-cn-sub {
  margin: 18px 0 0;
  color: rgba(255, 253, 247, 0.86);
  font-family: "FangSong", "STFangsong", "Songti SC", "SimSun", serif;
  font-size: clamp(22px, 2.4vw, 36px);
  font-weight: 400;
  line-height: 1.24;
  letter-spacing: 0.08em;
}

.hero-link {
  margin-top: 32px;
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  padding: 0 22px;
  color: var(--white);
  border: 1px solid rgba(255, 253, 247, 0.34);
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 0.08em;
}

.hero-content .eyebrow,
.hero-title {
  color: var(--white);
}

.section {
  position: relative;
  overflow: hidden;
  padding: clamp(96px, 13vw, 190px) 0;
}

.section-grid,
.contact-layout {
  width: min(1280px, calc(100% - 56px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(48px, 7vw, 110px);
  align-items: center;
}

.section-copy {
  max-width: 540px;
}

.section-title {
  margin: 0;
  font-family: "Songti SC", "SimSun", "Noto Serif SC", serif;
  font-size: clamp(38px, 5.8vw, 84px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: 0;
}

.section-text {
  margin: 30px 0 0;
  color: var(--soft-ink);
  font-size: clamp(17px, 1.6vw, 23px);
  font-weight: 300;
  line-height: 1.95;
}

.micro-note {
  margin: 34px 0 0;
  color: rgba(18, 23, 19, 0.48);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.24em;
  line-height: 1.8;
}

.light-note {
  color: rgba(255, 253, 247, 0.5);
}

.root-section {
  background: var(--warm);
  min-height: 100svh;
  display: grid;
  align-items: center;
}

.root-flow-frame {
  width: 100%;
  height: clamp(500px, 68svh, 720px);
  position: relative;
  overflow: hidden;
  border-left: 1px solid rgba(18, 23, 19, 0.12);
  border-right: 1px solid rgba(18, 23, 19, 0.12);
  background: rgba(18, 23, 19, 0.035);
  contain: paint;
}

.root-flow-frame::before,
.root-flow-frame::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  z-index: 2;
  height: 20%;
  pointer-events: none;
}

.root-flow-frame::before {
  top: 0;
  background:
    linear-gradient(180deg, var(--warm) 0%, rgba(251, 248, 241, 0.94) 8%, rgba(251, 248, 241, 0.52) 48%, rgba(251, 248, 241, 0) 100%);
}

.root-flow-frame::after {
  bottom: 0;
  background:
    linear-gradient(0deg, var(--warm) 0%, rgba(251, 248, 241, 0.94) 8%, rgba(251, 248, 241, 0.52) 48%, rgba(251, 248, 241, 0) 100%);
}

.root-flow {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.flow-track {
  display: flex;
  flex-direction: column;
  padding: 0 14px;
  animation: none;
  will-change: auto;
  transform: none;
}

.flow-set {
  display: grid;
  gap: 14px;
  padding: 14px 0 0;
}

.flow-set img {
  width: 100%;
  height: clamp(170px, 23vh, 245px);
  object-fit: cover;
  filter: saturate(0.88) contrast(1.02);
}

.flow-set img:nth-child(3n + 1) {
  height: clamp(210px, 28vh, 300px);
}

.flow-set img:nth-child(3n + 2) {
  height: clamp(150px, 20vh, 220px);
}

.dark-section {
  color: var(--white);
  background: var(--deep);
}

.future-section {
  min-height: auto;
  display: block;
  padding: 0 0 clamp(76px, 10vw, 140px);
}

.feature-image {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.future-section::after {
  content: "";
  display: none;
}

.feature-copy {
  position: relative;
  z-index: 2;
  width: min(1280px, calc(100% - 56px));
  margin: 0 auto;
  padding: clamp(58px, 8vw, 100px) 0 0;
}

.feature-copy .section-title,
.feature-copy .section-text {
  max-width: 760px;
}

.feature-copy .section-text {
  color: rgba(255, 253, 247, 0.78);
}

.word-line {
  margin-top: 50px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.word-line span {
  padding: 10px 16px;
  border: 1px solid rgba(255, 253, 247, 0.22);
  color: rgba(255, 253, 247, 0.8);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.companion-section {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, 0.82fr);
  gap: clamp(48px, 7vw, 120px);
  align-items: center;
  width: min(1280px, calc(100% - 56px));
  margin: 0 auto;
  background: var(--paper);
}

.companion-visual img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.companion-copy {
  max-width: 520px;
}

.principle-section {
  background: #e7e4dc;
}

.principle-inner {
  width: min(980px, calc(100% - 56px));
  margin: 0 auto;
}

.principle-title {
  margin: 0;
  font-family: "Songti SC", "SimSun", "Noto Serif SC", serif;
  font-size: clamp(44px, 7vw, 108px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: 0;
}

.principle-list {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  color: var(--soft-ink);
}

.principle-list p {
  margin: 0;
  padding-top: 22px;
  border-top: 1px solid rgba(18, 23, 19, 0.18);
  font-size: 18px;
  font-weight: 300;
  line-height: 1.9;
}

.contact-section {
  color: var(--white);
  background: #0b1511;
  padding-bottom: 60px;
}

.contact-layout {
  align-items: start;
}

.contact-layout .section-text {
  color: rgba(255, 253, 247, 0.72);
}

.contact-panel {
  display: grid;
  gap: 12px;
}

.qr-card {
  width: min(100%, 380px);
  justify-self: center;
  padding: clamp(14px, 2vw, 22px);
  text-align: center;
  border: 1px solid rgba(255, 253, 247, 0.22);
  background:
    linear-gradient(145deg, rgba(255, 253, 247, 0.1), rgba(255, 253, 247, 0.025)),
    #101c17;
}

.qr-frame {
  min-height: 0;
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  padding: 8px;
  border: 1px solid rgba(255, 253, 247, 0.16);
  background: #060908;
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.24);
  overflow: hidden;
}

.qr-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border: 0;
  filter: saturate(0.92) contrast(0.98);
}

.qr-card p {
  margin: 18px 0 0;
  color: rgba(255, 253, 247, 0.7);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.qr-frame span {
  display: block;
  color: rgba(18, 23, 19, 0.54);
  font-size: 14px;
}

.qr-frame strong {
  display: block;
  margin-top: 12px;
  color: rgba(18, 53, 43, 0.82);
  font-size: 38px;
  letter-spacing: 0.18em;
}

.contact-panel a,
.channel-placeholder {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  border-bottom: 1px solid rgba(255, 253, 247, 0.18);
  color: rgba(255, 253, 247, 0.86);
}

.contact-panel a::after,
.channel-placeholder::after {
  content: "->";
  color: rgba(255, 253, 247, 0.48);
}

.channel-placeholder {
  color: rgba(255, 253, 247, 0.54);
}

.channel-placeholder::after {
  content: "待补充";
  font-size: 12px;
  letter-spacing: 0.08em;
}

.site-footer {
  width: min(1280px, calc(100% - 56px));
  margin: 90px auto 0;
  display: grid;
  grid-template-columns: 0.65fr 1.35fr;
  gap: 32px;
  color: rgba(255, 253, 247, 0.56);
  font-size: 13px;
  line-height: 1.75;
}

.site-footer span {
  color: var(--white);
  font-weight: 700;
}

.reveal {
  will-change: transform, opacity;
}

.native-reveal-ready .reveal {
  opacity: 0;
  transform: translate3d(0, 38px, 0);
  transition:
    opacity 1s cubic-bezier(0.22, 1, 0.36, 1),
    transform 1.1s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--reveal-delay, 0ms);
}

.native-reveal-ready .reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.native-reveal-ready .feature-image.reveal,
.native-reveal-ready .companion-visual.reveal,
.native-reveal-ready .root-flow-frame.reveal {
  transform: translate3d(0, 46px, 0) scale(0.985);
  transition:
    opacity 1.05s cubic-bezier(0.22, 1, 0.36, 1),
    transform 1.18s cubic-bezier(0.16, 1, 0.3, 1);
}

.native-reveal-ready .feature-image.reveal.is-visible,
.native-reveal-ready .companion-visual.reveal.is-visible,
.native-reveal-ready .root-flow-frame.reveal.is-visible {
  transform: translate3d(0, 0, 0) scale(1);
}

.mobile-quick-contact {
  display: none;
}

@media (max-width: 900px) {
  html {
    scroll-padding-top: 62px;
  }

  .site-header {
    top: 0;
    height: 58px;
    background:
      radial-gradient(circle at 22% 0%, rgba(255, 253, 247, 0.42), rgba(255, 253, 247, 0.08) 38%, transparent 72%),
      linear-gradient(115deg, rgba(255, 253, 247, 0.2), rgba(255, 253, 247, 0.07) 52%, rgba(255, 253, 247, 0.16)),
      rgba(245, 241, 234, 0.1);
  }

  .nav {
    width: calc(100% - 28px);
    height: 58px;
    padding: 0;
    gap: 14px;
  }

  .brand {
    gap: 8px;
  }

  .brand-logo {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
  }

  .brand-mark {
    font-size: 17px;
  }

  .brand-sub {
    font-size: 8px;
    letter-spacing: 0.1em;
  }

  .nav-toggle {
    display: block;
    width: 36px;
    height: 36px;
    border-color: rgba(18, 23, 19, 0.16);
    background:
      linear-gradient(135deg, rgba(255, 253, 247, 0.36), rgba(255, 253, 247, 0.12)),
      rgba(245, 241, 234, 0.1);
    backdrop-filter: blur(18px) saturate(1.45);
    -webkit-backdrop-filter: blur(18px) saturate(1.45);
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 20px 20px;
    background:
      linear-gradient(135deg, rgba(255, 253, 247, 0.82), rgba(255, 253, 247, 0.42)),
      rgba(245, 241, 234, 0.44);
    border: 1px solid rgba(255, 253, 247, 0.42);
    border-radius: 24px;
    box-shadow: 0 18px 42px rgba(18, 23, 19, 0.12);
    backdrop-filter: blur(24px) saturate(1.35);
    -webkit-backdrop-filter: blur(24px) saturate(1.35);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    min-height: 46px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(18, 23, 19, 0.08);
    font-size: 15px;
  }

  .nav-links a:last-child {
    border-bottom: 0;
  }

  .hero-panel {
    min-height: 100svh;
    display: block;
    padding: 0;
  }

  .hero-media,
  .hero-shade {
    top: 0;
    left: 0;
    width: 100%;
    height: 100svh;
    max-height: none;
    aspect-ratio: auto;
    transform: none;
  }

  .hero-media img {
    object-position: 70% center;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(8, 18, 14, 0.06), rgba(8, 18, 14, 0.16) 42%, rgba(8, 18, 14, 0.8)),
      linear-gradient(90deg, rgba(8, 18, 14, 0.36), rgba(8, 18, 14, 0.02));
  }

  .hero-content {
    width: calc(100% - 30px);
    min-height: 100svh;
    aspect-ratio: auto;
    margin: 0 auto;
    padding: calc(76px + 8svh) 0 78px;
    color: var(--white);
    justify-content: space-between;
  }

  .hero-copy-top {
    margin-top: 0;
    width: min(100%, 330px);
  }

  .hero-copy-bottom {
    margin-bottom: 2svh;
    width: 100%;
  }

  .hero-note {
    display: none;
  }

  .hero-edition,
  .hero-content .eyebrow {
    color: var(--gold);
    margin-bottom: 14px;
    font-size: 9px;
    letter-spacing: 0.2em;
  }

  .hero-title {
    color: var(--white);
    font-size: clamp(62px, 17vw, 92px);
    line-height: 0.96;
  }

  .hero-title-en {
    width: min(100%, 16em);
    font-size: clamp(22px, 7vw, 34px);
    font-weight: 200;
    letter-spacing: 0.13em;
  }

  .hero-title-en span:nth-child(2) {
    margin-left: 0;
  }

  .hero-line {
    width: min(100%, 20em);
    margin-top: 30px;
    color: rgba(255, 253, 247, 0.92);
    font-size: clamp(14px, 3.9vw, 18px);
    font-weight: 200;
    line-height: 1.35;
    letter-spacing: 0.14em;
  }

  .hero-cn {
    font-size: clamp(68px, 19vw, 104px);
    letter-spacing: 0.1em;
  }

  .hero-cn-sub {
    margin-top: 16px;
    font-size: clamp(21px, 5.8vw, 28px);
    line-height: 1.25;
    letter-spacing: 0.08em;
  }

  .hero-link {
    margin-top: 30px;
    color: var(--white);
    border-color: rgba(255, 253, 247, 0.34);
    background: rgba(8, 18, 14, 0.18);
    backdrop-filter: blur(12px);
  }

  .section {
    padding: 78px 0;
  }

  .section-grid,
  .contact-layout,
  .principle-inner,
  .feature-copy,
  .site-footer {
    width: calc(100% - 30px);
  }

  .section-grid,
  .contact-layout,
  .companion-section,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .section-grid,
  .contact-layout {
    gap: 34px;
  }

  .section-title {
    font-size: clamp(34px, 10.6vw, 48px);
    line-height: 1.12;
  }

  .section-text {
    margin-top: 22px;
    font-size: 16px;
    line-height: 1.9;
  }

  .micro-note {
    margin-top: 24px;
    font-size: 9px;
    letter-spacing: 0.18em;
  }

  .root-flow-frame {
    margin-left: -15px;
    width: calc(100% + 30px);
    height: clamp(360px, 50svh, 420px);
    overflow: hidden;
    border-left: 0;
    border-right: 0;
    background: rgba(18, 23, 19, 0.035);
    contain: paint;
  }

  .root-flow-frame::before,
  .root-flow-frame::after {
    display: block;
    height: 68px;
  }

  .flow-track {
    display: flex;
    flex-direction: column;
    padding: 0 15px;
    animation: none;
    will-change: auto;
    transform: none;
  }

  .flow-set {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    padding-top: 10px;
  }

  .flow-set img,
  .flow-set img:nth-child(3n + 1),
  .flow-set img:nth-child(3n + 2) {
    display: block;
    height: clamp(130px, 34vw, 190px);
  }

  .flow-set img:nth-child(3n + 1) {
    height: clamp(150px, 40vw, 190px);
  }

  .future-section {
    min-height: auto;
    padding: 0 0 74px;
  }

  .feature-image {
    position: relative;
    width: 100%;
    height: auto;
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .feature-copy {
    padding: 46px 0 0;
  }

  .word-line {
    margin-top: 28px;
    gap: 8px;
  }

  .word-line span {
    padding: 8px 11px;
    font-size: 12px;
  }

  .companion-section {
    width: calc(100% - 30px);
    gap: 34px;
  }

  .companion-visual {
    order: 2;
  }

  .companion-copy {
    order: 1;
  }

  .principle-title {
    font-size: clamp(36px, 11vw, 52px);
  }

  .principle-list {
    margin-top: 38px;
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .principle-list p {
    font-size: 16px;
  }

  .qr-frame {
    min-height: 0;
  }

  .site-footer {
    margin-top: 52px;
    gap: 14px;
  }

  .mobile-quick-contact {
    position: fixed;
    right: 16px;
    bottom: 16px;
    z-index: 90;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    min-height: 48px;
    padding: 0;
    color: var(--white);
    border: 1px solid rgba(255, 253, 247, 0.28);
    border-radius: 50%;
    background: rgba(8, 18, 14, 0.78);
    box-shadow:
      0 14px 34px rgba(8, 18, 14, 0.28),
      inset 0 0 0 1px rgba(255, 253, 247, 0.06);
    backdrop-filter: blur(18px);
    overflow: visible;
    animation: contactBreath 3.6s ease-in-out infinite;
  }

  .mobile-quick-contact::before {
    content: "";
    position: absolute;
    inset: -6px;
    border-radius: inherit;
    border: 1px solid rgba(255, 253, 247, 0.16);
    opacity: 0;
    transform: scale(0.96);
    animation: contactHalo 3.6s ease-in-out infinite;
    pointer-events: none;
  }

  .mobile-quick-contact small {
    display: none;
  }

  .mobile-quick-contact::after {
    content: none;
  }

  .contact-icon {
    position: relative;
    width: 20px;
    height: 16px;
    border: 1.7px solid rgba(255, 253, 247, 0.9);
    border-radius: 999px;
  }

  .contact-icon::after {
    content: "";
    position: absolute;
    right: 2px;
    bottom: -4px;
    width: 7px;
    height: 7px;
    border-right: 1.7px solid rgba(255, 253, 247, 0.9);
    border-bottom: 1.7px solid rgba(255, 253, 247, 0.9);
    transform: rotate(36deg);
    background: transparent;
  }
}

@media (max-width: 420px) {
  .hero-content {
    padding-bottom: 84px;
  }

  .eyebrow,
  .section-kicker {
    font-size: 11px;
    letter-spacing: 0.12em;
  }

  .hero-title {
    font-size: clamp(42px, 13.5vw, 54px);
  }

  .hero-line {
    font-size: clamp(20px, 5.8vw, 23px);
  }

}

@keyframes contactBreath {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
    box-shadow:
      0 14px 34px rgba(8, 18, 14, 0.28),
      inset 0 0 0 1px rgba(255, 253, 247, 0.06);
  }

  50% {
    transform: translate3d(0, -2px, 0);
    box-shadow:
      0 18px 42px rgba(8, 18, 14, 0.34),
      inset 0 0 0 1px rgba(255, 253, 247, 0.1);
  }
}

@keyframes contactHalo {
  0%,
  100% {
    opacity: 0;
    transform: scale(0.96);
  }

  46% {
    opacity: 1;
    transform: scale(1.08);
  }
}

@media (prefers-reduced-motion: reduce) {
  .flow-track {
    animation: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .mobile-quick-contact,
  .mobile-quick-contact::before {
    animation: none;
  }
}