:root {
  --paper: #f7f5ef;
  --paper-deep: #ece8de;
  --ink: #10293d;
  --ink-soft: #52606b;
  --navy: #123a55;
  --navy-deep: #0b2e45;
  --mango: #f3a51f;
  --mango-soft: #ffd889;
  --sage: #4f9772;
  --sage-soft: #e8f4ed;
  --white: #ffffff;
  --line: rgba(16, 41, 61, 0.15);
  --topbar-height: 64px;
  --content-width: 1080px;
  --serif: "Songti SC", "STSong", "Source Han Serif SC", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(24px, calc((100vw - var(--content-width)) / 2));
  color: var(--ink);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  border-bottom: 1px solid rgba(16, 41, 61, 0.09);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  transition: color 240ms ease, background 240ms ease, border-color 240ms ease;
}

.topbar.on-dark {
  color: var(--white);
  background: color-mix(in srgb, var(--navy-deep) 88%, transparent);
  border-bottom-color: rgba(255, 255, 255, 0.12);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-mark {
  display: block;
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
}

.top-contact {
  position: relative;
  padding: 7px 0 6px;
  font-size: 13px;
  font-weight: 600;
}

.top-contact::after {
  content: "";
  position: absolute;
  inset: auto 0 2px 0;
  height: 1px;
  background: var(--mango);
  transform-origin: left;
  transition: transform 180ms ease;
}

.top-contact:hover::after {
  transform: scaleX(0.58);
}

.panel {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
}

.panel-inner {
  position: relative;
  width: min(100%, var(--content-width));
  min-height: 100svh;
  margin: 0 auto;
  padding: calc(var(--topbar-height) + 58px) 88px 76px;
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  align-content: center;
  column-gap: 66px;
}

.panel-what {
  background:
    radial-gradient(circle at 83% 24%, rgba(243, 165, 31, 0.16), transparent 22%),
    linear-gradient(145deg, #fbfaf6 0%, var(--paper) 62%, var(--paper-deep) 100%);
}

.panel-what::after {
  content: "01";
  position: absolute;
  right: -0.02em;
  bottom: -0.26em;
  color: rgba(16, 41, 61, 0.035);
  font-family: Georgia, serif;
  font-size: clamp(260px, 35vw, 560px);
  font-weight: 700;
  line-height: 1;
  pointer-events: none;
}

.section-mark {
  grid-row: 1 / span 2;
  align-self: start;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  color: var(--ink);
}

.section-mark span {
  font-family: Georgia, serif;
  font-size: 19px;
  font-weight: 700;
}

.section-mark i {
  display: block;
  width: 1px;
  height: 60px;
  margin-left: 8px;
  background: currentColor;
  opacity: 0.25;
}

.section-mark small {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  writing-mode: vertical-rl;
}

.section-mark.light {
  color: rgba(255, 255, 255, 0.9);
}

.hero-copy {
  align-self: end;
  max-width: 790px;
}

.kicker {
  margin-bottom: 20px;
  color: var(--mango);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.19em;
}

.hero-copy h1,
.section-title h2 {
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(46px, 6.4vw, 78px);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.18;
}

.hero-copy h1 em {
  position: relative;
  color: var(--navy);
  font-family: Georgia, serif;
  font-style: italic;
}

.hero-copy h1 em::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: -0.04em;
  right: -0.08em;
  bottom: 0.06em;
  height: 0.22em;
  background: var(--mango-soft);
  transform: rotate(-1.5deg);
}

.lead {
  max-width: 680px;
  margin-top: 34px;
  color: var(--ink-soft);
  font-size: clamp(16px, 2vw, 21px);
  line-height: 1.9;
}

.lead strong {
  color: var(--ink);
  font-weight: 700;
}

.business-briefs {
  grid-column: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 34px;
  border-block: 1px solid var(--line);
}

.business-briefs article {
  padding: 20px 24px 21px 0;
}

.business-briefs article + article {
  padding-left: 24px;
  border-left: 1px solid var(--line);
}

.business-name {
  margin-bottom: 8px;
  color: var(--mango);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.business-name span {
  margin-right: 8px;
  font-family: Georgia, serif;
  font-size: 10px;
}

.business-briefs h3 {
  margin-bottom: 7px;
  color: var(--ink);
  font-size: 16px;
  font-weight: 700;
}

.business-briefs p {
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.65;
}

.result-line {
  grid-column: 2;
  align-self: start;
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 52px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
}

.result-line b {
  color: var(--mango);
  font-family: Georgia, serif;
  font-size: 22px;
  font-weight: 400;
}

.scroll-cue {
  position: absolute;
  z-index: 5;
  left: 50%;
  bottom: max(18px, env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  color: var(--ink-soft);
  font-size: 10px;
  letter-spacing: 0.16em;
  transform: translateX(-50%);
}

.scroll-cue i {
  position: relative;
  width: 1px;
  height: 22px;
  overflow: hidden;
  background: currentColor;
  opacity: 0.42;
}

.scroll-cue i::after {
  content: "";
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 60%;
  background: var(--mango);
  animation: scroll-line 1.8s ease-in-out infinite;
}

@keyframes scroll-line {
  0% { transform: translateY(0); }
  70%, 100% { transform: translateY(290%); }
}

.panel-how {
  color: var(--ink);
  background:
    linear-gradient(rgba(166, 125, 47, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(166, 125, 47, 0.03) 1px, transparent 1px),
    linear-gradient(145deg, #fcfaf5 0%, #f6f1e8 58%, #eee7db 100%);
  background-size: 52px 52px, 52px 52px, auto;
}

.panel-how::before {
  content: "";
  position: absolute;
  inset: auto -120px -160px auto;
  width: 480px;
  height: 480px;
  border: 1px solid rgba(243, 165, 31, 0.2);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(243, 165, 31, 0.025), 0 0 0 140px rgba(243, 165, 31, 0.015);
}

.panel-how .panel-inner {
  grid-template-rows: auto 1fr;
}

.panel-how .section-title h2 {
  color: var(--ink);
  font-size: clamp(40px, 5.2vw, 65px);
}

.panel-how .section-title {
  align-self: end;
}

.panel-how .kicker {
  color: #b86c00;
}

.method-list {
  grid-column: 2;
  align-self: start;
  list-style: none;
  margin-top: 40px;
  border-top: 1px solid rgba(16, 41, 61, 0.16);
}

.method-list li {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(16, 41, 61, 0.16);
}

.method-no {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  color: var(--navy-deep);
  background: var(--mango);
  border-radius: 50%;
  font-family: Georgia, serif;
  font-size: 15px;
  font-weight: 700;
}

.method-list h3 {
  margin-bottom: 5px;
  font-size: 19px;
  font-weight: 600;
}

.method-list p {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.scroll-cue-light {
  color: var(--ink-soft);
}

.panel-why {
  background:
    radial-gradient(circle at 92% 8%, rgba(243, 165, 31, 0.17), transparent 18%),
    var(--paper);
}

.panel-why .panel-inner {
  grid-template-rows: auto auto auto;
}

.panel-why .section-title {
  align-self: end;
}

.panel-why .section-title h2 {
  font-size: clamp(36px, 4.8vw, 61px);
}

.difference-list {
  grid-column: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 38px;
  border-block: 1px solid var(--line);
}

.difference-list article {
  padding: 22px 22px 24px 0;
}

.difference-list article + article {
  padding-left: 22px;
  border-left: 1px solid var(--line);
}

.difference-list span {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 16px;
  font-weight: 700;
}

.difference-list span::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin: 0 9px 2px 0;
  background: var(--mango);
  border-radius: 50%;
}

.difference-list p {
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.65;
}

.contact-block {
  grid-column: 2;
  margin-top: 32px;
}

.contact-block > p {
  margin-bottom: 17px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 700;
}

.primary-action {
  width: min(100%, 380px);
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 22px 0 25px;
  color: var(--white);
  background: var(--ink);
  border-radius: 2px;
  font-size: 15px;
  font-weight: 600;
  box-shadow: 8px 8px 0 var(--mango);
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.primary-action b {
  font-family: Georgia, serif;
  font-size: 21px;
  font-weight: 400;
}

.primary-action:hover {
  background: var(--navy);
  box-shadow: 4px 4px 0 var(--mango);
  transform: translate(4px, 4px);
}

.contact-block small {
  display: block;
  margin-top: 15px;
  color: var(--ink-soft);
  font-size: 11px;
}

/* ===================== 04 / 询盘与联系 ===================== */
.panel-inquiry {
  background:
    linear-gradient(rgba(166, 125, 47, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(166, 125, 47, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 82% 20%, rgba(79, 151, 114, 0.12), transparent 26%),
    linear-gradient(145deg, #fffdf8 0%, #faf5eb 62%, #f2eadc 100%);
  background-size: 48px 48px, 48px 48px, auto, auto;
}

.panel-inquiry::after {
  content: "04";
  position: absolute;
  right: -0.02em;
  top: 0.15em;
  color: rgba(16, 41, 61, 0.04);
  font-family: Georgia, serif;
  font-size: clamp(220px, 30vw, 450px);
  font-weight: 700;
  line-height: 1;
  pointer-events: none;
}

.inquiry-inner {
  grid-template-rows: auto auto;
}

.panel-inquiry .section-mark {
  grid-row: 1 / span 2;
}

.panel-inquiry .section-title h2 {
  color: var(--ink);
  font-size: clamp(38px, 4.8vw, 61px);
}

.panel-inquiry .kicker {
  color: #b86c00;
}

.inquiry-card {
  position: relative;
  z-index: 1;
  grid-column: 2;
  margin-top: 28px;
  padding: 24px 26px 22px;
  color: var(--ink);
  background: var(--paper);
  box-shadow: 10px 10px 0 var(--mango);
}

.inquiry-card > p {
  margin-bottom: 17px;
  font-size: 14px;
  font-weight: 600;
}

.inquiry-fields {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  list-style: none;
  margin-bottom: 20px;
  border-block: 1px solid var(--line);
}

.inquiry-fields li {
  padding: 13px 12px 13px 0;
  color: var(--ink-soft);
  font-size: 12px;
  white-space: nowrap;
}

.inquiry-fields li + li {
  padding-left: 15px;
  border-left: 1px solid var(--line);
}

.inquiry-fields span {
  margin-right: 8px;
  color: var(--mango);
  font-family: Georgia, serif;
  font-size: 11px;
}

.form-action {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 19px 0 21px;
  color: var(--white);
  background: var(--ink);
  font-size: 14px;
  font-weight: 700;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}

.form-action b {
  font-family: Georgia, serif;
  font-size: 20px;
  font-weight: 400;
}

.form-action:hover {
  color: var(--ink);
  background: var(--mango);
  transform: translateY(-2px);
}

.inquiry-card > small {
  display: block;
  margin-top: 11px;
  color: var(--ink-soft);
  font-size: 10px;
}

/* ===================== 独立页脚 ===================== */
.site-footer {
  position: relative;
  background:
    linear-gradient(rgba(166, 125, 47, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(166, 125, 47, 0.03) 1px, transparent 1px),
    #eee9df;
  background-size: 48px 48px, 48px 48px, auto;
  border-top: 1px solid rgba(16, 41, 61, 0.12);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 50%;
  width: min(calc(100% - 48px), var(--content-width));
  height: 3px;
  background: linear-gradient(90deg, var(--mango) 0 72px, transparent 72px);
  transform: translateX(-50%);
}

.site-footer-inner {
  width: min(100%, var(--content-width));
  margin: 0 auto;
  padding: 46px 24px 50px;
  display: grid;
  grid-template-columns: minmax(190px, 0.8fr) minmax(480px, 2fr) auto;
  align-items: center;
  gap: 54px;
}

.site-footer-brand p {
  margin-top: 9px;
  color: var(--ink-soft);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.footer-brand-name {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}

.footer-brand-name .brand-mark {
  width: 28px;
  height: 28px;
}

.footer-brand-name strong {
  font-size: 18px;
  letter-spacing: 0.06em;
}

.site-footer-contact {
  display: grid;
  grid-template-columns: minmax(180px, 0.8fr) minmax(280px, 1.4fr);
  gap: 44px;
}

.footer-info > span {
  display: block;
  margin-bottom: 8px;
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.footer-info a,
.footer-info p {
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.65;
}

.footer-info a {
  padding-bottom: 3px;
  border-bottom: 1px solid var(--mango);
}

.site-footer-copy {
  align-self: end;
  color: rgba(16, 41, 61, 0.48);
  font-size: 10px;
  white-space: nowrap;
}

/* ===================== 悬浮快捷联系 ===================== */
.floating-contact {
  position: fixed;
  z-index: 60;
  right: max(24px, env(safe-area-inset-right));
  bottom: max(26px, env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
}

.floating-contact-action {
  width: 126px;
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 17px;
  border: 1px solid rgba(16, 41, 61, 0.12);
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 10px 28px rgba(16, 41, 61, 0.14);
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.floating-contact-action svg {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  fill: currentColor;
}

.floating-contact-phone {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.96);
}

.floating-contact-wechat {
  color: var(--ink);
  background: var(--mango);
}

.floating-contact-wechat .wechat-eye {
  fill: var(--mango);
}

.floating-contact-action:hover {
  box-shadow: 0 13px 34px rgba(16, 41, 61, 0.2);
  transform: translateY(-2px);
}

.floating-contact-phone:hover {
  background: var(--white);
}

.floating-contact-wechat:hover {
  background: #f8b83f;
}

.floating-contact-action:focus-visible,
.wechat-consult-close:focus-visible {
  outline: 3px solid var(--sage);
  outline-offset: 3px;
}

.wechat-consult-popover {
  position: fixed;
  z-index: 70;
  right: max(24px, env(safe-area-inset-right));
  bottom: calc(max(26px, env(safe-area-inset-bottom)) + 120px);
  width: min(340px, calc(100vw - 32px));
  padding: 27px 28px 24px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(16, 41, 61, 0.1);
  border-radius: 18px;
  box-shadow: 0 22px 60px rgba(16, 41, 61, 0.2);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  animation: contact-pop-in 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

.wechat-consult-popover[hidden] {
  display: none;
}

.wechat-consult-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: var(--ink-soft);
  background: var(--paper);
  border: 0;
  border-radius: 50%;
  font-family: var(--sans);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.wechat-consult-kicker {
  margin-bottom: 7px;
  color: #9a6100;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.wechat-consult-popover h2 {
  padding-right: 34px;
  font-family: var(--serif);
  font-size: 25px;
  line-height: 1.3;
}

.wechat-consult-copy {
  margin-top: 9px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

.wechat-qr-frame {
  width: 232px;
  margin: 18px auto 0;
  padding: 6px;
  background: linear-gradient(145deg, rgba(243, 165, 31, 0.16), var(--white) 46%);
  border: 1px solid rgba(243, 165, 31, 0.38);
  border-radius: 14px;
  box-shadow: 0 10px 28px rgba(16, 41, 61, 0.08);
}

.wechat-qr-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 9px;
}

.wechat-consult-tip {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 11px;
  text-align: center;
}

@keyframes contact-pop-in {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.page-dots {
  position: fixed;
  z-index: 40;
  top: 50%;
  right: max(20px, calc((100vw - var(--content-width)) / 2 - 44px));
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 16px;
  transform: translateY(-50%);
}

.page-dots a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-family: Georgia, serif;
  font-size: 10px;
  opacity: 0.3;
  transition: color 220ms ease, opacity 220ms ease;
}

.page-dots a::after {
  content: "";
  width: 16px;
  height: 1px;
  background: currentColor;
  transition: width 220ms ease;
}

.page-dots a.active {
  opacity: 1;
}

.page-dots a.active::after {
  width: 30px;
  background: var(--mango);
}

.page-dots.on-dark a {
  color: var(--white);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 620ms ease, transform 620ms cubic-bezier(0.22, 1, 0.36, 1);
}

.panel.in-view .reveal {
  opacity: 1;
  transform: translateY(0);
}

.panel.in-view .reveal:nth-child(2) { transition-delay: 90ms; }
.panel.in-view .reveal:nth-child(3) { transition-delay: 160ms; }

@media (max-width: 760px) {
  :root {
    --topbar-height: 56px;
  }

  html {
    scroll-snap-type: none;
  }

  .topbar {
    padding: 0 20px;
  }

  .brand {
    gap: 8px;
    font-size: 14px;
  }

  .brand-mark {
    width: 21px;
    height: 21px;
  }

  .top-contact {
    font-size: 12px;
  }

  .panel-inner {
    min-height: 100svh;
    padding: calc(var(--topbar-height) + 35px) 24px 58px;
    display: block;
  }

  .section-mark {
    height: 24px;
    flex-direction: row;
    align-items: center;
    gap: 9px;
    margin-bottom: 33px;
  }

  .section-mark span {
    font-size: 13px;
  }

  .section-mark i {
    width: 34px;
    height: 1px;
    margin: 0;
  }

  .section-mark small {
    font-size: 10px;
    letter-spacing: 0.15em;
    writing-mode: horizontal-tb;
  }

  .hero-copy h1,
  .section-title h2 {
    font-size: clamp(38px, 11.4vw, 50px);
    line-height: 1.25;
  }

  .kicker {
    margin-bottom: 15px;
    font-size: 11px;
    letter-spacing: 0.14em;
  }

  .lead {
    margin-top: 18px;
    font-size: 14px;
    line-height: 1.7;
  }

  .business-briefs {
    display: block;
    margin-top: 22px;
  }

  .business-briefs article {
    padding: 12px 0 13px;
  }

  .business-briefs article + article {
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .business-name {
    margin-bottom: 5px;
    font-size: 10px;
  }

  .business-briefs h3 {
    margin-bottom: 4px;
    font-size: 14px;
  }

  .business-briefs p {
    font-size: 11px;
    line-height: 1.55;
  }

  .result-line {
    margin-top: 36px;
    display: grid;
    grid-template-columns: auto 18px auto 18px auto;
    gap: 4px;
    font-size: 11px;
    text-align: center;
  }

  .result-line b {
    font-size: 17px;
  }

  .scroll-cue {
    bottom: max(12px, env(safe-area-inset-bottom));
  }

  .scroll-cue span {
    display: none;
  }

  .scroll-cue i {
    height: 18px;
  }

  .panel-how .section-title h2,
  .panel-why .section-title h2 {
    font-size: clamp(34px, 10vw, 44px);
    line-height: 1.28;
  }

  .method-list {
    margin-top: 31px;
  }

  .method-list li {
    grid-template-columns: 36px 1fr;
    gap: 14px;
    padding: 16px 0;
  }

  .method-no {
    width: 28px;
    height: 28px;
    font-size: 13px;
  }

  .method-list h3 {
    margin-bottom: 3px;
    font-size: 16px;
  }

  .method-list p {
    font-size: 12px;
    line-height: 1.6;
  }

  .panel-why .panel-inner {
    padding-top: calc(var(--topbar-height) + 28px);
  }

  .panel-why .section-mark {
    margin-bottom: 25px;
  }

  .difference-list {
    display: block;
    margin-top: 24px;
  }

  .difference-list article {
    padding: 13px 0;
  }

  .difference-list article + article {
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .difference-list span {
    margin-bottom: 4px;
    font-size: 14px;
  }

  .difference-list p {
    padding-left: 15px;
    font-size: 11.5px;
  }

  .contact-block {
    margin-top: 22px;
  }

  .contact-block > p {
    margin-bottom: 13px;
    font-size: 18px;
  }

  .primary-action {
    min-height: 52px;
    font-size: 14px;
    box-shadow: 6px 6px 0 var(--mango);
  }

  .contact-block small {
    margin-top: 12px;
    font-size: 10px;
  }

  .panel-inquiry .section-title h2 {
    font-size: clamp(34px, 10vw, 44px);
    line-height: 1.28;
  }

  .inquiry-card {
    margin-top: 24px;
    padding: 20px 20px 18px;
    box-shadow: 6px 6px 0 var(--mango);
  }

  .inquiry-card > p {
    margin-bottom: 13px;
    font-size: 12px;
  }

  .inquiry-fields {
    margin-bottom: 16px;
  }

  .inquiry-fields li {
    padding: 11px 5px 11px 0;
    font-size: 10px;
  }

  .inquiry-fields li + li {
    padding-left: 8px;
  }

  .inquiry-fields span {
    display: block;
    margin: 0 0 3px;
    font-size: 9px;
  }

  .form-action {
    min-height: 48px;
    font-size: 13px;
  }

  .site-footer::before {
    width: calc(100% - 40px);
  }

  .site-footer-inner {
    padding: 32px 20px 35px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .site-footer-contact {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 20px;
    padding-block: 20px;
    border-block: 1px solid rgba(16, 41, 61, 0.12);
  }

  .site-footer-brand p {
    margin-top: 7px;
  }

  .footer-brand-name strong {
    font-size: 17px;
  }

  .footer-info > span {
    margin-bottom: 6px;
    font-size: 9px;
  }

  .footer-info a,
  .footer-info p {
    font-size: 12px;
  }

  .site-footer-copy {
    justify-self: start;
  }

  .floating-contact {
    right: max(14px, env(safe-area-inset-right));
    bottom: max(16px, env(safe-area-inset-bottom));
    gap: 9px;
  }

  .floating-contact-action {
    width: 48px;
    min-height: 48px;
    padding: 0;
    border-radius: 50%;
  }

  .floating-contact-action span {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .floating-contact-action svg {
    width: 19px;
    height: 19px;
  }

  .wechat-consult-popover {
    right: 14px;
    bottom: calc(max(16px, env(safe-area-inset-bottom)) + 114px);
    width: min(330px, calc(100vw - 28px));
    max-height: calc(100svh - 150px);
    padding: 24px 22px 20px;
    overflow-y: auto;
    border-radius: 16px;
  }

  .wechat-consult-popover h2 {
    font-size: 22px;
  }

  .wechat-consult-copy {
    font-size: 12px;
  }

  .wechat-qr-frame {
    width: min(210px, 62vw);
    margin-top: 15px;
  }

  .page-dots {
    display: none;
  }
}

@media (max-width: 380px) {
  .panel-inner {
    padding-inline: 20px;
  }

  .hero-copy h1,
  .section-title h2,
  .panel-how .section-title h2,
  .panel-why .section-title h2 {
    font-size: 34px;
  }

  .lead {
    font-size: 14px;
  }

  .business-briefs p {
    font-size: 10.5px;
  }

  .method-list {
    margin-top: 25px;
  }

  .method-list li {
    padding: 13px 0;
  }

  .difference-list article {
    padding: 10px 0;
  }
}

@media (max-width: 560px) {
  .site-footer-contact {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .footer-address {
    max-width: 290px;
  }
}

@media (max-width: 760px) and (max-height: 720px) {
  .panel-inquiry .panel-inner {
    padding-top: calc(var(--topbar-height) + 24px);
    padding-bottom: 34px;
  }

  .panel-inquiry .section-mark {
    margin-bottom: 22px;
  }

  .inquiry-card {
    margin-top: 18px;
  }

}

/* 低矮小屏：仍然保证四段内容各自接近一屏，不让按钮被挤到屏外。 */
@media (max-width: 760px) and (max-height: 620px) {
  :root {
    --topbar-height: 48px;
  }

  .panel-inner,
  .panel-why .panel-inner {
    padding: calc(var(--topbar-height) + 16px) 20px 24px;
  }

  .section-mark,
  .panel-why .section-mark {
    height: 18px;
    margin-bottom: 14px;
  }

  .section-mark small {
    font-size: 9px;
  }

  .kicker {
    margin-bottom: 8px;
    font-size: 9px;
  }

  .hero-copy h1,
  .section-title h2,
  .panel-how .section-title h2,
  .panel-why .section-title h2 {
    font-size: 30px;
    line-height: 1.2;
  }

  .lead {
    margin-top: 13px;
    font-size: 13px;
    line-height: 1.65;
  }

  .business-briefs {
    margin-top: 10px;
  }

  .business-briefs article {
    padding: 6px 0;
  }

  .business-name {
    margin-bottom: 2px;
    font-size: 8px;
  }

  .business-briefs h3 {
    margin-bottom: 2px;
    font-size: 11px;
  }

  .business-briefs p {
    font-size: 9px;
    line-height: 1.4;
  }

  .result-line {
    margin-top: 17px;
    font-size: 10px;
  }

  .method-list {
    margin-top: 14px;
  }

  .method-list li {
    grid-template-columns: 30px 1fr;
    gap: 10px;
    padding: 8px 0;
  }

  .method-no {
    width: 23px;
    height: 23px;
    font-size: 11px;
  }

  .method-list h3 {
    font-size: 14px;
  }

  .method-list p {
    font-size: 10.5px;
  }

  .difference-list {
    margin-top: 11px;
  }

  .difference-list article {
    padding: 7px 0;
  }

  .difference-list span {
    font-size: 12.5px;
  }

  .difference-list p {
    font-size: 10px;
    line-height: 1.4;
  }

  .contact-block {
    margin-top: 11px;
  }

  .contact-block > p {
    margin-bottom: 8px;
    font-size: 15px;
  }

  .primary-action {
    min-height: 42px;
    padding-inline: 18px;
    font-size: 12px;
  }

  .contact-block small {
    margin-top: 8px;
    font-size: 9px;
  }

  .panel-inquiry .section-title h2 {
    font-size: 30px;
    line-height: 1.2;
  }

  .inquiry-card {
    margin-top: 12px;
    padding: 12px 14px 11px;
  }

  .inquiry-card > p {
    margin-bottom: 7px;
    font-size: 10px;
  }

  .inquiry-fields {
    margin-bottom: 9px;
  }

  .inquiry-fields li {
    padding-block: 6px;
    font-size: 9px;
  }

  .form-action {
    min-height: 40px;
    font-size: 11px;
  }

  .inquiry-card > small {
    margin-top: 6px;
    font-size: 8px;
  }

}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}